80479984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6343}}^1$

素因数の和:6425

約数の個数: 40

約数和(自身を含む): 170704352

約数和(自身を除く): 90224368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6343, 6344, 12686, 12688, 25372, 50744, 82459, 101488, 164918, 329836, 386923, 659672, 773846, 1319344, 1547692, 3095384, 5029999, 6190768, 10059998, 20119996, 40239992, 80479984]

約数ペア:

[(1, 80479984), (2, 40239992), (4, 20119996), (8, 10059998), (13, 6190768), (16, 5029999), (26, 3095384), (52, 1547692), (61, 1319344), (104, 773846), (122, 659672), (208, 386923), (244, 329836), (488, 164918), (793, 101488), (976, 82459), (1586, 50744), (3172, 25372), (6343, 12688), (6344, 12686)]