49120240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:746

約数の個数: 80

約数和(自身を含む): 124867008

約数和(自身を除く): 75746768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 146, 208, 260, 292, 365, 520, 584, 647, 730, 949, 1040, 1168, 1294, 1460, 1898, 2588, 2920, 3235, 3796, 4745, 5176, 5840, 6470, 7592, 8411, 9490, 10352, 12940, 15184, 16822, 18980, 25880, 33644, 37960, 42055, 47231, 51760, 67288, 75920, 84110, 94462, 134576, 168220, 188924, 236155, 336440, 377848, 472310, 614003, 672880, 755696, 944620, 1228006, 1889240, 2456012, 3070015, 3778480, 4912024, 6140030, 9824048, 12280060, 24560120, 49120240]

約数ペア:

[(1, 49120240), (2, 24560120), (4, 12280060), (5, 9824048), (8, 6140030), (10, 4912024), (13, 3778480), (16, 3070015), (20, 2456012), (26, 1889240), (40, 1228006), (52, 944620), (65, 755696), (73, 672880), (80, 614003), (104, 472310), (130, 377848), (146, 336440), (208, 236155), (260, 188924), (292, 168220), (365, 134576), (520, 94462), (584, 84110), (647, 75920), (730, 67288), (949, 51760), (1040, 47231), (1168, 42055), (1294, 37960), (1460, 33644), (1898, 25880), (2588, 18980), (2920, 16822), (3235, 15184), (3796, 12940), (4745, 10352), (5176, 9490), (5840, 8411), (6470, 7592)]