33981980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 76476960

約数和(自身を除く): 42494980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1123, 1513, 1780, 2246, 3026, 4492, 5615, 6052, 7565, 11230, 15130, 19091, 22460, 30260, 38182, 76364, 95455, 99947, 190910, 199894, 381820, 399788, 499735, 999470, 1699099, 1998940, 3398198, 6796396, 8495495, 16990990, 33981980]

約数ペア:

[(1, 33981980), (2, 16990990), (4, 8495495), (5, 6796396), (10, 3398198), (17, 1998940), (20, 1699099), (34, 999470), (68, 499735), (85, 399788), (89, 381820), (170, 199894), (178, 190910), (340, 99947), (356, 95455), (445, 76364), (890, 38182), (1123, 30260), (1513, 22460), (1780, 19091), (2246, 15130), (3026, 11230), (4492, 7565), (5615, 6052)]