90420800

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1876

約数の個数: 84

約数和(自身を含む): 229794816

約数和(自身を除く): 139374016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 496, 620, 775, 800, 992, 1240, 1550, 1600, 1823, 1984, 2480, 3100, 3646, 4960, 6200, 7292, 9115, 9920, 12400, 14584, 18230, 24800, 29168, 36460, 45575, 49600, 56513, 58336, 72920, 91150, 113026, 116672, 145840, 182300, 226052, 282565, 291680, 364600, 452104, 565130, 583360, 729200, 904208, 1130260, 1412825, 1458400, 1808416, 2260520, 2825650, 2916800, 3616832, 4521040, 5651300, 9042080, 11302600, 18084160, 22605200, 45210400, 90420800]

約数ペア:

[(1, 90420800), (2, 45210400), (4, 22605200), (5, 18084160), (8, 11302600), (10, 9042080), (16, 5651300), (20, 4521040), (25, 3616832), (31, 2916800), (32, 2825650), (40, 2260520), (50, 1808416), (62, 1458400), (64, 1412825), (80, 1130260), (100, 904208), (124, 729200), (155, 583360), (160, 565130), (200, 452104), (248, 364600), (310, 291680), (320, 282565), (400, 226052), (496, 182300), (620, 145840), (775, 116672), (800, 113026), (992, 91150), (1240, 72920), (1550, 58336), (1600, 56513), (1823, 49600), (1984, 45575), (2480, 36460), (3100, 29168), (3646, 24800), (4960, 18230), (6200, 14584), (7292, 12400), (9115, 9920)]