25580750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 54722304

約数和(自身を除く): 29141554

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 170, 221, 250, 325, 425, 442, 463, 650, 850, 926, 1105, 1625, 2125, 2210, 2315, 3250, 4250, 4630, 5525, 6019, 7871, 11050, 11575, 12038, 15742, 23150, 27625, 30095, 39355, 55250, 57875, 60190, 78710, 102323, 115750, 150475, 196775, 204646, 300950, 393550, 511615, 752375, 983875, 1023230, 1504750, 1967750, 2558075, 5116150, 12790375, 25580750]

約数ペア:

[(1, 25580750), (2, 12790375), (5, 5116150), (10, 2558075), (13, 1967750), (17, 1504750), (25, 1023230), (26, 983875), (34, 752375), (50, 511615), (65, 393550), (85, 300950), (125, 204646), (130, 196775), (170, 150475), (221, 115750), (250, 102323), (325, 78710), (425, 60190), (442, 57875), (463, 55250), (650, 39355), (850, 30095), (926, 27625), (1105, 23150), (1625, 15742), (2125, 12038), (2210, 11575), (2315, 11050), (3250, 7871), (4250, 6019), (4630, 5525)]