1284756460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{62549}}^1$

素因数の和:62650

約数の個数: 48

約数和(自身を含む): 2942352000

約数和(自身を除く): 1657595540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 20540, 62549, 125098, 250196, 312745, 625490, 813137, 1250980, 1626274, 3252548, 4065685, 4941371, 8131370, 9882742, 16262740, 19765484, 24706855, 49413710, 64237823, 98827420, 128475646, 256951292, 321189115, 642378230, 1284756460]

約数ペア:

[(1, 1284756460), (2, 642378230), (4, 321189115), (5, 256951292), (10, 128475646), (13, 98827420), (20, 64237823), (26, 49413710), (52, 24706855), (65, 19765484), (79, 16262740), (130, 9882742), (158, 8131370), (260, 4941371), (316, 4065685), (395, 3252548), (790, 1626274), (1027, 1250980), (1580, 813137), (2054, 625490), (4108, 312745), (5135, 250196), (10270, 125098), (20540, 62549)]