51965420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{743}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 118117440

約数和(自身を除く): 66152020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 538, 743, 1076, 1345, 1486, 2690, 2972, 3497, 3715, 5380, 6994, 7430, 9659, 13988, 14860, 17485, 19318, 34970, 38636, 48295, 69940, 96590, 193180, 199867, 399734, 799468, 999335, 1998670, 2598271, 3997340, 5196542, 10393084, 12991355, 25982710, 51965420]

約数ペア:

[(1, 51965420), (2, 25982710), (4, 12991355), (5, 10393084), (10, 5196542), (13, 3997340), (20, 2598271), (26, 1998670), (52, 999335), (65, 799468), (130, 399734), (260, 199867), (269, 193180), (538, 96590), (743, 69940), (1076, 48295), (1345, 38636), (1486, 34970), (2690, 19318), (2972, 17485), (3497, 14860), (3715, 13988), (5380, 9659), (6994, 7430)]