26518640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:115

約数の個数: 120

約数和(自身を含む): 69436032

約数和(自身を除く): 42917392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 37, 40, 62, 68, 74, 80, 85, 124, 136, 148, 155, 170, 185, 248, 272, 289, 296, 310, 340, 370, 496, 527, 578, 592, 620, 629, 680, 740, 1054, 1147, 1156, 1240, 1258, 1360, 1445, 1480, 2108, 2294, 2312, 2480, 2516, 2635, 2890, 2960, 3145, 4216, 4588, 4624, 5032, 5270, 5735, 5780, 6290, 8432, 8959, 9176, 10064, 10540, 10693, 11470, 11560, 12580, 17918, 18352, 19499, 21080, 21386, 22940, 23120, 25160, 35836, 38998, 42160, 42772, 44795, 45880, 50320, 53465, 71672, 77996, 85544, 89590, 91760, 97495, 106930, 143344, 155992, 171088, 179180, 194990, 213860, 311984, 331483, 358360, 389980, 427720, 662966, 716720, 779960, 855440, 1325932, 1559920, 1657415, 2651864, 3314830, 5303728, 6629660, 13259320, 26518640]

約数ペア:

[(1, 26518640), (2, 13259320), (4, 6629660), (5, 5303728), (8, 3314830), (10, 2651864), (16, 1657415), (17, 1559920), (20, 1325932), (31, 855440), (34, 779960), (37, 716720), (40, 662966), (62, 427720), (68, 389980), (74, 358360), (80, 331483), (85, 311984), (124, 213860), (136, 194990), (148, 179180), (155, 171088), (170, 155992), (185, 143344), (248, 106930), (272, 97495), (289, 91760), (296, 89590), (310, 85544), (340, 77996), (370, 71672), (496, 53465), (527, 50320), (578, 45880), (592, 44795), (620, 42772), (629, 42160), (680, 38998), (740, 35836), (1054, 25160), (1147, 23120), (1156, 22940), (1240, 21386), (1258, 21080), (1360, 19499), (1445, 18352), (1480, 17918), (2108, 12580), (2294, 11560), (2312, 11470), (2480, 10693), (2516, 10540), (2635, 10064), (2890, 9176), (2960, 8959), (3145, 8432), (4216, 6290), (4588, 5780), (4624, 5735), (5032, 5270)]