1928004080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{777421}}^1$

素因数の和:777465

約数の個数: 40

約数和(自身を含む): 4627215744

約数和(自身を除く): 2699211664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 777421, 1554842, 3109684, 3887105, 6219368, 7774210, 12438736, 15548420, 24100051, 31096840, 48200102, 62193680, 96400204, 120500255, 192800408, 241000510, 385600816, 482001020, 964002040, 1928004080]

約数ペア:

[(1, 1928004080), (2, 964002040), (4, 482001020), (5, 385600816), (8, 241000510), (10, 192800408), (16, 120500255), (20, 96400204), (31, 62193680), (40, 48200102), (62, 31096840), (80, 24100051), (124, 15548420), (155, 12438736), (248, 7774210), (310, 6219368), (496, 3887105), (620, 3109684), (1240, 1554842), (2480, 777421)]