49137920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2953}}^1$

素因数の和:2987

約数の個数: 72

約数和(自身を含む): 126797496

約数和(自身を除く): 77659576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 2953, 3328, 4160, 5906, 8320, 11812, 14765, 16640, 23624, 29530, 38389, 47248, 59060, 76778, 94496, 118120, 153556, 188992, 191945, 236240, 307112, 377984, 383890, 472480, 614224, 755968, 767780, 944960, 1228448, 1535560, 1889920, 2456896, 3071120, 3779840, 4913792, 6142240, 9827584, 12284480, 24568960, 49137920]

約数ペア:

[(1, 49137920), (2, 24568960), (4, 12284480), (5, 9827584), (8, 6142240), (10, 4913792), (13, 3779840), (16, 3071120), (20, 2456896), (26, 1889920), (32, 1535560), (40, 1228448), (52, 944960), (64, 767780), (65, 755968), (80, 614224), (104, 472480), (128, 383890), (130, 377984), (160, 307112), (208, 236240), (256, 191945), (260, 188992), (320, 153556), (416, 118120), (520, 94496), (640, 76778), (832, 59060), (1040, 47248), (1280, 38389), (1664, 29530), (2080, 23624), (2953, 16640), (3328, 14765), (4160, 11812), (5906, 8320)]