25978480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 67254624

約数和(自身を除く): 41276144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 424, 440, 530, 557, 583, 848, 880, 1060, 1114, 1166, 2120, 2228, 2332, 2785, 2915, 4240, 4456, 4664, 5570, 5830, 6127, 8912, 9328, 11140, 11660, 12254, 22280, 23320, 24508, 29521, 30635, 44560, 46640, 49016, 59042, 61270, 98032, 118084, 122540, 147605, 236168, 245080, 295210, 324731, 472336, 490160, 590420, 649462, 1180840, 1298924, 1623655, 2361680, 2597848, 3247310, 5195696, 6494620, 12989240, 25978480]

約数ペア:

[(1, 25978480), (2, 12989240), (4, 6494620), (5, 5195696), (8, 3247310), (10, 2597848), (11, 2361680), (16, 1623655), (20, 1298924), (22, 1180840), (40, 649462), (44, 590420), (53, 490160), (55, 472336), (80, 324731), (88, 295210), (106, 245080), (110, 236168), (176, 147605), (212, 122540), (220, 118084), (265, 98032), (424, 61270), (440, 59042), (530, 49016), (557, 46640), (583, 44560), (848, 30635), (880, 29521), (1060, 24508), (1114, 23320), (1166, 22280), (2120, 12254), (2228, 11660), (2332, 11140), (2785, 9328), (2915, 8912), (4240, 6127), (4456, 5830), (4664, 5570)]