1231216880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{375371}}^1$

素因数の和:375425

約数の個数: 40

約数和(自身を含む): 2932406064

約数和(自身を除く): 1701189184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 375371, 750742, 1501484, 1876855, 3002968, 3753710, 6005936, 7507420, 15014840, 15390211, 30029680, 30780422, 61560844, 76951055, 123121688, 153902110, 246243376, 307804220, 615608440, 1231216880]

約数ペア:

[(1, 1231216880), (2, 615608440), (4, 307804220), (5, 246243376), (8, 153902110), (10, 123121688), (16, 76951055), (20, 61560844), (40, 30780422), (41, 30029680), (80, 15390211), (82, 15014840), (164, 7507420), (205, 6005936), (328, 3753710), (410, 3002968), (656, 1876855), (820, 1501484), (1640, 750742), (3280, 375371)]