195479920

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{10139}}^1$

素因数の和:10393

約数の個数: 40

約数和(自身を含む): 456421680

約数和(自身を除く): 260941760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 9640, 10139, 19280, 20278, 40556, 50695, 81112, 101390, 162224, 202780, 405560, 811120, 2443499, 4886998, 9773996, 12217495, 19547992, 24434990, 39095984, 48869980, 97739960, 195479920]

約数ペア:

[(1, 195479920), (2, 97739960), (4, 48869980), (5, 39095984), (8, 24434990), (10, 19547992), (16, 12217495), (20, 9773996), (40, 4886998), (80, 2443499), (241, 811120), (482, 405560), (964, 202780), (1205, 162224), (1928, 101390), (2410, 81112), (3856, 50695), (4820, 40556), (9640, 20278), (10139, 19280)]