51463040

素因数分解:

$2^7\times 5^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 123966720

約数和(自身を除く): 72503680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 320, 382, 421, 640, 764, 842, 955, 1528, 1684, 1910, 2105, 3056, 3368, 3820, 4210, 6112, 6736, 7640, 8420, 12224, 13472, 15280, 16840, 24448, 26944, 30560, 33680, 53888, 61120, 67360, 80411, 122240, 134720, 160822, 269440, 321644, 402055, 643288, 804110, 1286576, 1608220, 2573152, 3216440, 5146304, 6432880, 10292608, 12865760, 25731520, 51463040]

約数ペア:

[(1, 51463040), (2, 25731520), (4, 12865760), (5, 10292608), (8, 6432880), (10, 5146304), (16, 3216440), (20, 2573152), (32, 1608220), (40, 1286576), (64, 804110), (80, 643288), (128, 402055), (160, 321644), (191, 269440), (320, 160822), (382, 134720), (421, 122240), (640, 80411), (764, 67360), (842, 61120), (955, 53888), (1528, 33680), (1684, 30560), (1910, 26944), (2105, 24448), (3056, 16840), (3368, 15280), (3820, 13472), (4210, 12224), (6112, 8420), (6736, 7640)]