1618349840

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{179021}}^1$

素因数の和:179147

約数の個数: 40

約数和(自身を含む): 3795982488

約数和(自身を除く): 2177632648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 179021, 358042, 716084, 895105, 1432168, 1790210, 2864336, 3580420, 7160840, 14321680, 20229373, 40458746, 80917492, 101146865, 161834984, 202293730, 323669968, 404587460, 809174920, 1618349840]

約数ペア:

[(1, 1618349840), (2, 809174920), (4, 404587460), (5, 323669968), (8, 202293730), (10, 161834984), (16, 101146865), (20, 80917492), (40, 40458746), (80, 20229373), (113, 14321680), (226, 7160840), (452, 3580420), (565, 2864336), (904, 1790210), (1130, 1432168), (1808, 895105), (2260, 716084), (4520, 358042), (9040, 179021)]