25253840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 64281600

約数和(自身を除く): 39027760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 599, 620, 680, 1054, 1198, 1240, 1360, 2108, 2396, 2480, 2635, 2995, 4216, 4792, 5270, 5990, 8432, 9584, 10183, 10540, 11980, 18569, 20366, 21080, 23960, 37138, 40732, 42160, 47920, 50915, 74276, 81464, 92845, 101830, 148552, 162928, 185690, 203660, 297104, 315673, 371380, 407320, 631346, 742760, 814640, 1262692, 1485520, 1578365, 2525384, 3156730, 5050768, 6313460, 12626920, 25253840]

約数ペア:

[(1, 25253840), (2, 12626920), (4, 6313460), (5, 5050768), (8, 3156730), (10, 2525384), (16, 1578365), (17, 1485520), (20, 1262692), (31, 814640), (34, 742760), (40, 631346), (62, 407320), (68, 371380), (80, 315673), (85, 297104), (124, 203660), (136, 185690), (155, 162928), (170, 148552), (248, 101830), (272, 92845), (310, 81464), (340, 74276), (496, 50915), (527, 47920), (599, 42160), (620, 40732), (680, 37138), (1054, 23960), (1198, 21080), (1240, 20366), (1360, 18569), (2108, 11980), (2396, 10540), (2480, 10183), (2635, 9584), (2995, 8432), (4216, 5990), (4792, 5270)]