105487120

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16691}}^1$

素因数の和:16783

約数の個数: 40

約数和(自身を含む): 248376960

約数和(自身を除く): 142889840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 16691, 33382, 66764, 83455, 133528, 166910, 267056, 333820, 667640, 1318589, 1335280, 2637178, 5274356, 6592945, 10548712, 13185890, 21097424, 26371780, 52743560, 105487120]

約数ペア:

[(1, 105487120), (2, 52743560), (4, 26371780), (5, 21097424), (8, 13185890), (10, 10548712), (16, 6592945), (20, 5274356), (40, 2637178), (79, 1335280), (80, 1318589), (158, 667640), (316, 333820), (395, 267056), (632, 166910), (790, 133528), (1264, 83455), (1580, 66764), (3160, 33382), (6320, 16691)]