8929180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 20561184

約数和(自身を除く): 11632004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 563, 610, 793, 1126, 1220, 1586, 2252, 2815, 3172, 3965, 5630, 7319, 7930, 11260, 14638, 15860, 29276, 34343, 36595, 68686, 73190, 137372, 146380, 171715, 343430, 446459, 686860, 892918, 1785836, 2232295, 4464590, 8929180]

約数ペア:

[(1, 8929180), (2, 4464590), (4, 2232295), (5, 1785836), (10, 892918), (13, 686860), (20, 446459), (26, 343430), (52, 171715), (61, 146380), (65, 137372), (122, 73190), (130, 68686), (244, 36595), (260, 34343), (305, 29276), (563, 15860), (610, 14638), (793, 11260), (1126, 7930), (1220, 7319), (1586, 5630), (2252, 3965), (2815, 3172)]