55397960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 129254400

約数和(自身を除く): 73856440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 158, 188, 235, 316, 373, 376, 395, 470, 632, 746, 790, 940, 1492, 1580, 1865, 1880, 2984, 3160, 3713, 3730, 7426, 7460, 14852, 14920, 17531, 18565, 29467, 29704, 35062, 37130, 58934, 70124, 74260, 87655, 117868, 140248, 147335, 148520, 175310, 235736, 294670, 350620, 589340, 701240, 1178680, 1384949, 2769898, 5539796, 6924745, 11079592, 13849490, 27698980, 55397960]

約数ペア:

[(1, 55397960), (2, 27698980), (4, 13849490), (5, 11079592), (8, 6924745), (10, 5539796), (20, 2769898), (40, 1384949), (47, 1178680), (79, 701240), (94, 589340), (158, 350620), (188, 294670), (235, 235736), (316, 175310), (373, 148520), (376, 147335), (395, 140248), (470, 117868), (632, 87655), (746, 74260), (790, 70124), (940, 58934), (1492, 37130), (1580, 35062), (1865, 29704), (1880, 29467), (2984, 18565), (3160, 17531), (3713, 14920), (3730, 14852), (7426, 7460)]