42710980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2693}}^1$

素因数の和:2776

約数の個数: 48

約数和(自身を含む): 98212464

約数和(自身を除く): 55501484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 2693, 3172, 3965, 5386, 7930, 10772, 13465, 15860, 26930, 35009, 53860, 70018, 140036, 164273, 175045, 328546, 350090, 657092, 700180, 821365, 1642730, 2135549, 3285460, 4271098, 8542196, 10677745, 21355490, 42710980]

約数ペア:

[(1, 42710980), (2, 21355490), (4, 10677745), (5, 8542196), (10, 4271098), (13, 3285460), (20, 2135549), (26, 1642730), (52, 821365), (61, 700180), (65, 657092), (122, 350090), (130, 328546), (244, 175045), (260, 164273), (305, 140036), (610, 70018), (793, 53860), (1220, 35009), (1586, 26930), (2693, 15860), (3172, 13465), (3965, 10772), (5386, 7930)]