20149282480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1451}}^1\times {\mathrm{7547}}^1$

素因数の和:9034

約数の個数: 80

約数和(自身を含む): 48924082944

約数和(自身を除く): 28774800464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1451, 1840, 2902, 5804, 7255, 7547, 11608, 14510, 15094, 23216, 29020, 30188, 33373, 37735, 58040, 60376, 66746, 75470, 116080, 120752, 133492, 150940, 166865, 173581, 266984, 301880, 333730, 347162, 533968, 603760, 667460, 694324, 867905, 1334920, 1388648, 1735810, 2669840, 2777296, 3471620, 6943240, 10950697, 13886480, 21901394, 43802788, 54753485, 87605576, 109506970, 175211152, 219013940, 251866031, 438027880, 503732062, 876055760, 1007464124, 1259330155, 2014928248, 2518660310, 4029856496, 5037320620, 10074641240, 20149282480]

約数ペア:

[(1, 20149282480), (2, 10074641240), (4, 5037320620), (5, 4029856496), (8, 2518660310), (10, 2014928248), (16, 1259330155), (20, 1007464124), (23, 876055760), (40, 503732062), (46, 438027880), (80, 251866031), (92, 219013940), (115, 175211152), (184, 109506970), (230, 87605576), (368, 54753485), (460, 43802788), (920, 21901394), (1451, 13886480), (1840, 10950697), (2902, 6943240), (5804, 3471620), (7255, 2777296), (7547, 2669840), (11608, 1735810), (14510, 1388648), (15094, 1334920), (23216, 867905), (29020, 694324), (30188, 667460), (33373, 603760), (37735, 533968), (58040, 347162), (60376, 333730), (66746, 301880), (75470, 266984), (116080, 173581), (120752, 166865), (133492, 150940)]