25163940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 74059776

約数和(自身を除く): 48895836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 83, 93, 124, 155, 163, 166, 186, 249, 310, 326, 332, 372, 415, 465, 489, 498, 620, 652, 815, 830, 930, 978, 996, 1245, 1630, 1660, 1860, 1956, 2445, 2490, 2573, 3260, 4890, 4980, 5053, 5146, 7719, 9780, 10106, 10292, 12865, 13529, 15159, 15438, 20212, 25265, 25730, 27058, 30318, 30876, 38595, 40587, 50530, 51460, 54116, 60636, 67645, 75795, 77190, 81174, 101060, 135290, 151590, 154380, 162348, 202935, 270580, 303180, 405870, 419399, 811740, 838798, 1258197, 1677596, 2096995, 2516394, 4193990, 5032788, 6290985, 8387980, 12581970, 25163940]

約数ペア:

[(1, 25163940), (2, 12581970), (3, 8387980), (4, 6290985), (5, 5032788), (6, 4193990), (10, 2516394), (12, 2096995), (15, 1677596), (20, 1258197), (30, 838798), (31, 811740), (60, 419399), (62, 405870), (83, 303180), (93, 270580), (124, 202935), (155, 162348), (163, 154380), (166, 151590), (186, 135290), (249, 101060), (310, 81174), (326, 77190), (332, 75795), (372, 67645), (415, 60636), (465, 54116), (489, 51460), (498, 50530), (620, 40587), (652, 38595), (815, 30876), (830, 30318), (930, 27058), (978, 25730), (996, 25265), (1245, 20212), (1630, 15438), (1660, 15159), (1860, 13529), (1956, 12865), (2445, 10292), (2490, 10106), (2573, 9780), (3260, 7719), (4890, 5146), (4980, 5053)]