4257803720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1282471}}^1$

素因数の和:1282565

約数の個数: 32

約数和(自身を含む): 9695488320

約数和(自身を除く): 5437684600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 1282471, 2564942, 5129884, 6412355, 10259768, 12824710, 25649420, 51298840, 106445093, 212890186, 425780372, 532225465, 851560744, 1064450930, 2128901860, 4257803720]

約数ペア:

[(1, 4257803720), (2, 2128901860), (4, 1064450930), (5, 851560744), (8, 532225465), (10, 425780372), (20, 212890186), (40, 106445093), (83, 51298840), (166, 25649420), (332, 12824710), (415, 10259768), (664, 6412355), (830, 5129884), (1660, 2564942), (3320, 1282471)]