51818320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{467}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 128831040

約数和(自身を除く): 77012720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 146, 152, 190, 292, 304, 365, 380, 467, 584, 730, 760, 934, 1168, 1387, 1460, 1520, 1868, 2335, 2774, 2920, 3736, 4670, 5548, 5840, 6935, 7472, 8873, 9340, 11096, 13870, 17746, 18680, 22192, 27740, 34091, 35492, 37360, 44365, 55480, 68182, 70984, 88730, 110960, 136364, 141968, 170455, 177460, 272728, 340910, 354920, 545456, 647729, 681820, 709840, 1295458, 1363640, 2590916, 2727280, 3238645, 5181832, 6477290, 10363664, 12954580, 25909160, 51818320]

約数ペア:

[(1, 51818320), (2, 25909160), (4, 12954580), (5, 10363664), (8, 6477290), (10, 5181832), (16, 3238645), (19, 2727280), (20, 2590916), (38, 1363640), (40, 1295458), (73, 709840), (76, 681820), (80, 647729), (95, 545456), (146, 354920), (152, 340910), (190, 272728), (292, 177460), (304, 170455), (365, 141968), (380, 136364), (467, 110960), (584, 88730), (730, 70984), (760, 68182), (934, 55480), (1168, 44365), (1387, 37360), (1460, 35492), (1520, 34091), (1868, 27740), (2335, 22192), (2774, 18680), (2920, 17746), (3736, 13870), (4670, 11096), (5548, 9340), (5840, 8873), (6935, 7472)]