80867380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1327}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 186068736

約数和(自身を除く): 105201356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 277, 554, 1108, 1327, 1385, 2654, 2770, 3047, 5308, 5540, 6094, 6635, 12188, 13270, 14597, 15235, 26540, 29194, 30470, 58388, 60940, 72985, 145970, 291940, 367579, 735158, 1470316, 1837895, 3675790, 4043369, 7351580, 8086738, 16173476, 20216845, 40433690, 80867380]

約数ペア:

[(1, 80867380), (2, 40433690), (4, 20216845), (5, 16173476), (10, 8086738), (11, 7351580), (20, 4043369), (22, 3675790), (44, 1837895), (55, 1470316), (110, 735158), (220, 367579), (277, 291940), (554, 145970), (1108, 72985), (1327, 60940), (1385, 58388), (2654, 30470), (2770, 29194), (3047, 26540), (5308, 15235), (5540, 14597), (6094, 13270), (6635, 12188)]