51259760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37691}}^1$

素因数の和:37721

約数の個数: 40

約数和(自身を含む): 126192816

約数和(自身を除く): 74933056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 37691, 75382, 150764, 188455, 301528, 376910, 603056, 640747, 753820, 1281494, 1507640, 2562988, 3015280, 3203735, 5125976, 6407470, 10251952, 12814940, 25629880, 51259760]

約数ペア:

[(1, 51259760), (2, 25629880), (4, 12814940), (5, 10251952), (8, 6407470), (10, 5125976), (16, 3203735), (17, 3015280), (20, 2562988), (34, 1507640), (40, 1281494), (68, 753820), (80, 640747), (85, 603056), (136, 376910), (170, 301528), (272, 188455), (340, 150764), (680, 75382), (1360, 37691)]