25238460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 81164160

約数和(自身を除く): 55925700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 131, 156, 169, 190, 195, 228, 247, 260, 262, 285, 338, 380, 390, 393, 494, 507, 524, 570, 655, 676, 741, 780, 786, 845, 988, 1014, 1140, 1235, 1310, 1482, 1572, 1690, 1703, 1965, 2028, 2470, 2489, 2535, 2620, 2964, 3211, 3380, 3406, 3705, 3930, 4940, 4978, 5070, 5109, 6422, 6812, 7410, 7467, 7860, 8515, 9633, 9956, 10140, 10218, 12445, 12844, 14820, 14934, 16055, 17030, 19266, 20436, 22139, 24890, 25545, 29868, 32110, 32357, 34060, 37335, 38532, 44278, 48165, 49780, 51090, 64220, 64714, 66417, 74670, 88556, 96330, 97071, 102180, 110695, 129428, 132834, 149340, 161785, 192660, 194142, 221390, 265668, 323570, 332085, 388284, 420641, 442780, 485355, 647140, 664170, 841282, 970710, 1261923, 1328340, 1682564, 1941420, 2103205, 2523846, 4206410, 5047692, 6309615, 8412820, 12619230, 25238460]

約数ペア:

[(1, 25238460), (2, 12619230), (3, 8412820), (4, 6309615), (5, 5047692), (6, 4206410), (10, 2523846), (12, 2103205), (13, 1941420), (15, 1682564), (19, 1328340), (20, 1261923), (26, 970710), (30, 841282), (38, 664170), (39, 647140), (52, 485355), (57, 442780), (60, 420641), (65, 388284), (76, 332085), (78, 323570), (95, 265668), (114, 221390), (130, 194142), (131, 192660), (156, 161785), (169, 149340), (190, 132834), (195, 129428), (228, 110695), (247, 102180), (260, 97071), (262, 96330), (285, 88556), (338, 74670), (380, 66417), (390, 64714), (393, 64220), (494, 51090), (507, 49780), (524, 48165), (570, 44278), (655, 38532), (676, 37335), (741, 34060), (780, 32357), (786, 32110), (845, 29868), (988, 25545), (1014, 24890), (1140, 22139), (1235, 20436), (1310, 19266), (1482, 17030), (1572, 16055), (1690, 14934), (1703, 14820), (1965, 12844), (2028, 12445), (2470, 10218), (2489, 10140), (2535, 9956), (2620, 9633), (2964, 8515), (3211, 7860), (3380, 7467), (3406, 7410), (3705, 6812), (3930, 6422), (4940, 5109), (4978, 5070)]