99910760

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{6421}}^1$

素因数の和:6821

約数の個数: 32

約数和(自身を含む): 225412200

約数和(自身を除く): 125501440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 6421, 7780, 12842, 15560, 25684, 32105, 51368, 64210, 128420, 256840, 2497769, 4995538, 9991076, 12488845, 19982152, 24977690, 49955380, 99910760]

約数ペア:

[(1, 99910760), (2, 49955380), (4, 24977690), (5, 19982152), (8, 12488845), (10, 9991076), (20, 4995538), (40, 2497769), (389, 256840), (778, 128420), (1556, 64210), (1945, 51368), (3112, 32105), (3890, 25684), (6421, 15560), (7780, 12842)]