25064120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 40254280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 31, 34, 40, 41, 58, 62, 68, 82, 85, 116, 124, 136, 145, 155, 164, 170, 205, 232, 248, 290, 310, 328, 340, 410, 493, 527, 580, 620, 680, 697, 820, 899, 986, 1054, 1160, 1189, 1240, 1271, 1394, 1640, 1798, 1972, 2108, 2378, 2465, 2542, 2635, 2788, 3485, 3596, 3944, 4216, 4495, 4756, 4930, 5084, 5270, 5576, 5945, 6355, 6970, 7192, 8990, 9512, 9860, 10168, 10540, 11890, 12710, 13940, 15283, 17980, 19720, 20213, 21080, 21607, 23780, 25420, 27880, 30566, 35960, 36859, 40426, 43214, 47560, 50840, 61132, 73718, 76415, 80852, 86428, 101065, 108035, 122264, 147436, 152830, 161704, 172856, 184295, 202130, 216070, 294872, 305660, 368590, 404260, 432140, 611320, 626603, 737180, 808520, 864280, 1253206, 1474360, 2506412, 3133015, 5012824, 6266030, 12532060, 25064120]

約数ペア:

[(1, 25064120), (2, 12532060), (4, 6266030), (5, 5012824), (8, 3133015), (10, 2506412), (17, 1474360), (20, 1253206), (29, 864280), (31, 808520), (34, 737180), (40, 626603), (41, 611320), (58, 432140), (62, 404260), (68, 368590), (82, 305660), (85, 294872), (116, 216070), (124, 202130), (136, 184295), (145, 172856), (155, 161704), (164, 152830), (170, 147436), (205, 122264), (232, 108035), (248, 101065), (290, 86428), (310, 80852), (328, 76415), (340, 73718), (410, 61132), (493, 50840), (527, 47560), (580, 43214), (620, 40426), (680, 36859), (697, 35960), (820, 30566), (899, 27880), (986, 25420), (1054, 23780), (1160, 21607), (1189, 21080), (1240, 20213), (1271, 19720), (1394, 17980), (1640, 15283), (1798, 13940), (1972, 12710), (2108, 11890), (2378, 10540), (2465, 10168), (2542, 9860), (2635, 9512), (2788, 8990), (3485, 7192), (3596, 6970), (3944, 6355), (4216, 5945), (4495, 5576), (4756, 5270), (4930, 5084)]