51527240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{449}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 123120000

約数和(自身を除く): 71592760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 151, 152, 190, 302, 380, 449, 604, 755, 760, 898, 1208, 1510, 1796, 2245, 2869, 3020, 3592, 4490, 5738, 6040, 8531, 8980, 11476, 14345, 17062, 17960, 22952, 28690, 34124, 42655, 57380, 67799, 68248, 85310, 114760, 135598, 170620, 271196, 338995, 341240, 542392, 677990, 1288181, 1355980, 2576362, 2711960, 5152724, 6440905, 10305448, 12881810, 25763620, 51527240]

約数ペア:

[(1, 51527240), (2, 25763620), (4, 12881810), (5, 10305448), (8, 6440905), (10, 5152724), (19, 2711960), (20, 2576362), (38, 1355980), (40, 1288181), (76, 677990), (95, 542392), (151, 341240), (152, 338995), (190, 271196), (302, 170620), (380, 135598), (449, 114760), (604, 85310), (755, 68248), (760, 67799), (898, 57380), (1208, 42655), (1510, 34124), (1796, 28690), (2245, 22952), (2869, 17960), (3020, 17062), (3592, 14345), (4490, 11476), (5738, 8980), (6040, 8531)]