25427750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 52296192

約数和(自身を除く): 26868442

約数列:

[1, 2, 5, 10, 17, 25, 31, 34, 50, 62, 85, 125, 155, 170, 193, 250, 310, 386, 425, 527, 775, 850, 965, 1054, 1550, 1930, 2125, 2635, 3281, 3875, 4250, 4825, 5270, 5983, 6562, 7750, 9650, 11966, 13175, 16405, 24125, 26350, 29915, 32810, 48250, 59830, 65875, 82025, 101711, 131750, 149575, 164050, 203422, 299150, 410125, 508555, 747875, 820250, 1017110, 1495750, 2542775, 5085550, 12713875, 25427750]

約数ペア:

[(1, 25427750), (2, 12713875), (5, 5085550), (10, 2542775), (17, 1495750), (25, 1017110), (31, 820250), (34, 747875), (50, 508555), (62, 410125), (85, 299150), (125, 203422), (155, 164050), (170, 149575), (193, 131750), (250, 101711), (310, 82025), (386, 65875), (425, 59830), (527, 48250), (775, 32810), (850, 29915), (965, 26350), (1054, 24125), (1550, 16405), (1930, 13175), (2125, 11966), (2635, 9650), (3281, 7750), (3875, 6562), (4250, 5983), (4825, 5270)]