64663400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 157460160

約数和(自身を除く): 92796760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 73, 86, 100, 103, 146, 172, 200, 206, 215, 292, 344, 365, 412, 430, 515, 584, 730, 824, 860, 1030, 1075, 1460, 1720, 1825, 2060, 2150, 2575, 2920, 3139, 3650, 4120, 4300, 4429, 5150, 6278, 7300, 7519, 8600, 8858, 10300, 12556, 14600, 15038, 15695, 17716, 20600, 22145, 25112, 30076, 31390, 35432, 37595, 44290, 60152, 62780, 75190, 78475, 88580, 110725, 125560, 150380, 156950, 177160, 187975, 221450, 300760, 313900, 323317, 375950, 442900, 627800, 646634, 751900, 885800, 1293268, 1503800, 1616585, 2586536, 3233170, 6466340, 8082925, 12932680, 16165850, 32331700, 64663400]

約数ペア:

[(1, 64663400), (2, 32331700), (4, 16165850), (5, 12932680), (8, 8082925), (10, 6466340), (20, 3233170), (25, 2586536), (40, 1616585), (43, 1503800), (50, 1293268), (73, 885800), (86, 751900), (100, 646634), (103, 627800), (146, 442900), (172, 375950), (200, 323317), (206, 313900), (215, 300760), (292, 221450), (344, 187975), (365, 177160), (412, 156950), (430, 150380), (515, 125560), (584, 110725), (730, 88580), (824, 78475), (860, 75190), (1030, 62780), (1075, 60152), (1460, 44290), (1720, 37595), (1825, 35432), (2060, 31390), (2150, 30076), (2575, 25112), (2920, 22145), (3139, 20600), (3650, 17716), (4120, 15695), (4300, 15038), (4429, 14600), (5150, 12556), (6278, 10300), (7300, 8858), (7519, 8600)]