5131120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2069}}^1$

素因数の和:2113

約数の個数: 40

約数和(自身を含む): 12320640

約数和(自身を除く): 7189520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2069, 2480, 4138, 8276, 10345, 16552, 20690, 33104, 41380, 64139, 82760, 128278, 165520, 256556, 320695, 513112, 641390, 1026224, 1282780, 2565560, 5131120]

約数ペア:

[(1, 5131120), (2, 2565560), (4, 1282780), (5, 1026224), (8, 641390), (10, 513112), (16, 320695), (20, 256556), (31, 165520), (40, 128278), (62, 82760), (80, 64139), (124, 41380), (155, 33104), (248, 20690), (310, 16552), (496, 10345), (620, 8276), (1240, 4138), (2069, 2480)]