8320165175

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{21601}}^1$

素因数の和:21720

約数の個数: 48

約数和(自身を含む): 12343209984

約数和(自身を除く): 4023044809

約数列:

[1, 5, 7, 25, 31, 35, 71, 155, 175, 217, 355, 497, 775, 1085, 1775, 2201, 2485, 5425, 11005, 12425, 15407, 21601, 55025, 77035, 108005, 151207, 385175, 540025, 669631, 756035, 1533671, 3348155, 3780175, 4687417, 7668355, 10735697, 16740775, 23437085, 38341775, 47543801, 53678485, 117185425, 237719005, 268392425, 332806607, 1188595025, 1664033035, 8320165175]

約数ペア:

[(1, 8320165175), (5, 1664033035), (7, 1188595025), (25, 332806607), (31, 268392425), (35, 237719005), (71, 117185425), (155, 53678485), (175, 47543801), (217, 38341775), (355, 23437085), (497, 16740775), (775, 10735697), (1085, 7668355), (1775, 4687417), (2201, 3780175), (2485, 3348155), (5425, 1533671), (11005, 756035), (12425, 669631), (15407, 540025), (21601, 385175), (55025, 151207), (77035, 108005)]