83777720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2207}}^1$

素因数の和:2304

約数の個数: 64

約数和(自身を含む): 205873920

約数和(自身を除く): 122096200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 949, 1460, 1898, 2207, 2920, 3796, 4414, 4745, 7592, 8828, 9490, 11035, 17656, 18980, 22070, 28691, 37960, 44140, 57382, 88280, 114764, 143455, 161111, 229528, 286910, 322222, 573820, 644444, 805555, 1147640, 1288888, 1611110, 2094443, 3222220, 4188886, 6444440, 8377772, 10472215, 16755544, 20944430, 41888860, 83777720]

約数ペア:

[(1, 83777720), (2, 41888860), (4, 20944430), (5, 16755544), (8, 10472215), (10, 8377772), (13, 6444440), (20, 4188886), (26, 3222220), (40, 2094443), (52, 1611110), (65, 1288888), (73, 1147640), (104, 805555), (130, 644444), (146, 573820), (260, 322222), (292, 286910), (365, 229528), (520, 161111), (584, 143455), (730, 114764), (949, 88280), (1460, 57382), (1898, 44140), (2207, 37960), (2920, 28691), (3796, 22070), (4414, 18980), (4745, 17656), (7592, 11035), (8828, 9490)]