402114640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{162143}}^1$

素因数の和:162187

約数の個数: 40

約数和(自身を含む): 965081088

約数和(自身を除く): 562966448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 162143, 324286, 648572, 810715, 1297144, 1621430, 2594288, 3242860, 5026433, 6485720, 10052866, 12971440, 20105732, 25132165, 40211464, 50264330, 80422928, 100528660, 201057320, 402114640]

約数ペア:

[(1, 402114640), (2, 201057320), (4, 100528660), (5, 80422928), (8, 50264330), (10, 40211464), (16, 25132165), (20, 20105732), (31, 12971440), (40, 10052866), (62, 6485720), (80, 5026433), (124, 3242860), (155, 2594288), (248, 1621430), (310, 1297144), (496, 810715), (620, 648572), (1240, 324286), (2480, 162143)]