51538240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{953}}^1$

素因数の和:996

約数の個数: 84

約数和(自身を含む): 133031484

約数和(自身を除く): 81493244

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 520, 676, 832, 845, 953, 1040, 1352, 1690, 1906, 2080, 2704, 3380, 3812, 4160, 4765, 5408, 6760, 7624, 9530, 10816, 12389, 13520, 15248, 19060, 24778, 27040, 30496, 38120, 49556, 54080, 60992, 61945, 76240, 99112, 123890, 152480, 161057, 198224, 247780, 304960, 322114, 396448, 495560, 644228, 792896, 805285, 991120, 1288456, 1610570, 1982240, 2576912, 3221140, 3964480, 5153824, 6442280, 10307648, 12884560, 25769120, 51538240]

約数ペア:

[(1, 51538240), (2, 25769120), (4, 12884560), (5, 10307648), (8, 6442280), (10, 5153824), (13, 3964480), (16, 3221140), (20, 2576912), (26, 1982240), (32, 1610570), (40, 1288456), (52, 991120), (64, 805285), (65, 792896), (80, 644228), (104, 495560), (130, 396448), (160, 322114), (169, 304960), (208, 247780), (260, 198224), (320, 161057), (338, 152480), (416, 123890), (520, 99112), (676, 76240), (832, 61945), (845, 60992), (953, 54080), (1040, 49556), (1352, 38120), (1690, 30496), (1906, 27040), (2080, 24778), (2704, 19060), (3380, 15248), (3812, 13520), (4160, 12389), (4765, 10816), (5408, 9530), (6760, 7624)]