25298720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 64665216

約数和(自身を除く): 39366496

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 71, 80, 85, 131, 136, 142, 160, 170, 262, 272, 284, 340, 355, 524, 544, 568, 655, 680, 710, 1048, 1136, 1207, 1310, 1360, 1420, 2096, 2227, 2272, 2414, 2620, 2720, 2840, 4192, 4454, 4828, 5240, 5680, 6035, 8908, 9301, 9656, 10480, 11135, 11360, 12070, 17816, 18602, 19312, 20960, 22270, 24140, 35632, 37204, 38624, 44540, 46505, 48280, 71264, 74408, 89080, 93010, 96560, 148816, 158117, 178160, 186020, 193120, 297632, 316234, 356320, 372040, 632468, 744080, 790585, 1264936, 1488160, 1581170, 2529872, 3162340, 5059744, 6324680, 12649360, 25298720]

約数ペア:

[(1, 25298720), (2, 12649360), (4, 6324680), (5, 5059744), (8, 3162340), (10, 2529872), (16, 1581170), (17, 1488160), (20, 1264936), (32, 790585), (34, 744080), (40, 632468), (68, 372040), (71, 356320), (80, 316234), (85, 297632), (131, 193120), (136, 186020), (142, 178160), (160, 158117), (170, 148816), (262, 96560), (272, 93010), (284, 89080), (340, 74408), (355, 71264), (524, 48280), (544, 46505), (568, 44540), (655, 38624), (680, 37204), (710, 35632), (1048, 24140), (1136, 22270), (1207, 20960), (1310, 19312), (1360, 18602), (1420, 17816), (2096, 12070), (2227, 11360), (2272, 11135), (2414, 10480), (2620, 9656), (2720, 9301), (2840, 8908), (4192, 6035), (4454, 5680), (4828, 5240)]