40797488

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{991}}^1$

素因数の和:1113

約数の個数: 40

約数和(自身を含む): 82661376

約数和(自身を除く): 41863888

約数列:

[1, 2, 4, 8, 16, 31, 62, 83, 124, 166, 248, 332, 496, 664, 991, 1328, 1982, 2573, 3964, 5146, 7928, 10292, 15856, 20584, 30721, 41168, 61442, 82253, 122884, 164506, 245768, 329012, 491536, 658024, 1316048, 2549843, 5099686, 10199372, 20398744, 40797488]

約数ペア:

[(1, 40797488), (2, 20398744), (4, 10199372), (8, 5099686), (16, 2549843), (31, 1316048), (62, 658024), (83, 491536), (124, 329012), (166, 245768), (248, 164506), (332, 122884), (496, 82253), (664, 61442), (991, 41168), (1328, 30721), (1982, 20584), (2573, 15856), (3964, 10292), (5146, 7928)]