66543880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1753}}^1$

素因数の和:1850

約数の個数: 64

約数和(自身を含む): 163542960

約数和(自身を除く): 96999080

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, 1753, 1898, 2920, 3506, 3796, 4745, 7012, 7592, 8765, 9490, 14024, 17530, 18980, 22789, 35060, 37960, 45578, 70120, 91156, 113945, 127969, 182312, 227890, 255938, 455780, 511876, 639845, 911560, 1023752, 1279690, 1663597, 2559380, 3327194, 5118760, 6654388, 8317985, 13308776, 16635970, 33271940, 66543880]

約数ペア:

[(1, 66543880), (2, 33271940), (4, 16635970), (5, 13308776), (8, 8317985), (10, 6654388), (13, 5118760), (20, 3327194), (26, 2559380), (40, 1663597), (52, 1279690), (65, 1023752), (73, 911560), (104, 639845), (130, 511876), (146, 455780), (260, 255938), (292, 227890), (365, 182312), (520, 127969), (584, 113945), (730, 91156), (949, 70120), (1460, 45578), (1753, 37960), (1898, 35060), (2920, 22789), (3506, 18980), (3796, 17530), (4745, 14024), (7012, 9490), (7592, 8765)]