138968960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16703}}^1$

素因数の和:16735

約数の個数: 64

約数和(自身を含む): 357799680

約数和(自身を除く): 218830720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 16703, 33406, 66812, 83515, 133624, 167030, 217139, 267248, 334060, 434278, 534496, 668120, 868556, 1068992, 1085695, 1336240, 1737112, 2137984, 2171390, 2672480, 3474224, 4342780, 5344960, 6948448, 8685560, 10689920, 13896896, 17371120, 27793792, 34742240, 69484480, 138968960]

約数ペア:

[(1, 138968960), (2, 69484480), (4, 34742240), (5, 27793792), (8, 17371120), (10, 13896896), (13, 10689920), (16, 8685560), (20, 6948448), (26, 5344960), (32, 4342780), (40, 3474224), (52, 2672480), (64, 2171390), (65, 2137984), (80, 1737112), (104, 1336240), (128, 1085695), (130, 1068992), (160, 868556), (208, 668120), (260, 534496), (320, 434278), (416, 334060), (520, 267248), (640, 217139), (832, 167030), (1040, 133624), (1664, 83515), (2080, 66812), (4160, 33406), (8320, 16703)]