90125750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2521}}^1$

素因数の和:2562

約数の個数: 64

約数和(自身を含む): 198289728

約数和(自身を除く): 108163978

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 125, 130, 143, 250, 275, 286, 325, 550, 650, 715, 1375, 1430, 1625, 2521, 2750, 3250, 3575, 5042, 7150, 12605, 17875, 25210, 27731, 32773, 35750, 55462, 63025, 65546, 126050, 138655, 163865, 277310, 315125, 327730, 360503, 630250, 693275, 721006, 819325, 1386550, 1638650, 1802515, 3466375, 3605030, 4096625, 6932750, 8193250, 9012575, 18025150, 45062875, 90125750]

約数ペア:

[(1, 90125750), (2, 45062875), (5, 18025150), (10, 9012575), (11, 8193250), (13, 6932750), (22, 4096625), (25, 3605030), (26, 3466375), (50, 1802515), (55, 1638650), (65, 1386550), (110, 819325), (125, 721006), (130, 693275), (143, 630250), (250, 360503), (275, 327730), (286, 315125), (325, 277310), (550, 163865), (650, 138655), (715, 126050), (1375, 65546), (1430, 63025), (1625, 55462), (2521, 35750), (2750, 32773), (3250, 27731), (3575, 25210), (5042, 17875), (7150, 12605)]