86519540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1021}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 192299520

約数和(自身を除く): 105779980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 223, 380, 446, 892, 1021, 1115, 2042, 2230, 4084, 4237, 4460, 5105, 8474, 10210, 16948, 19399, 20420, 21185, 38798, 42370, 77596, 84740, 96995, 193990, 227683, 387980, 455366, 910732, 1138415, 2276830, 4325977, 4553660, 8651954, 17303908, 21629885, 43259770, 86519540]

約数ペア:

[(1, 86519540), (2, 43259770), (4, 21629885), (5, 17303908), (10, 8651954), (19, 4553660), (20, 4325977), (38, 2276830), (76, 1138415), (95, 910732), (190, 455366), (223, 387980), (380, 227683), (446, 193990), (892, 96995), (1021, 84740), (1115, 77596), (2042, 42370), (2230, 38798), (4084, 21185), (4237, 20420), (4460, 19399), (5105, 16948), (8474, 10210)]