51587120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49603}}^1$

素因数の和:49629

約数の個数: 40

約数和(自身を含む): 129168816

約数和(自身を除く): 77581696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 49603, 99206, 198412, 248015, 396824, 496030, 644839, 793648, 992060, 1289678, 1984120, 2579356, 3224195, 3968240, 5158712, 6448390, 10317424, 12896780, 25793560, 51587120]

約数ペア:

[(1, 51587120), (2, 25793560), (4, 12896780), (5, 10317424), (8, 6448390), (10, 5158712), (13, 3968240), (16, 3224195), (20, 2579356), (26, 1984120), (40, 1289678), (52, 992060), (65, 793648), (80, 644839), (104, 496030), (130, 396824), (208, 248015), (260, 198412), (520, 99206), (1040, 49603)]