38156560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1976

約数の個数: 80

約数和(自身を含む): 100618560

約数和(自身を除く): 62462000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1931, 1976, 2470, 3862, 3952, 4940, 7724, 9655, 9880, 15448, 19310, 19760, 25103, 30896, 36689, 38620, 50206, 73378, 77240, 100412, 125515, 146756, 154480, 183445, 200824, 251030, 293512, 366890, 401648, 476957, 502060, 587024, 733780, 953914, 1004120, 1467560, 1907828, 2008240, 2384785, 2935120, 3815656, 4769570, 7631312, 9539140, 19078280, 38156560]

約数ペア:

[(1, 38156560), (2, 19078280), (4, 9539140), (5, 7631312), (8, 4769570), (10, 3815656), (13, 2935120), (16, 2384785), (19, 2008240), (20, 1907828), (26, 1467560), (38, 1004120), (40, 953914), (52, 733780), (65, 587024), (76, 502060), (80, 476957), (95, 401648), (104, 366890), (130, 293512), (152, 251030), (190, 200824), (208, 183445), (247, 154480), (260, 146756), (304, 125515), (380, 100412), (494, 77240), (520, 73378), (760, 50206), (988, 38620), (1040, 36689), (1235, 30896), (1520, 25103), (1931, 19760), (1976, 19310), (2470, 15448), (3862, 9880), (3952, 9655), (4940, 7724)]