80539010

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1997}}^1$

素因数の和:2150

約数の個数: 32

約数和(自身を含む): 150329520

約数和(自身を除く): 69790510

約数列:

[1, 2, 5, 10, 37, 74, 109, 185, 218, 370, 545, 1090, 1997, 3994, 4033, 8066, 9985, 19970, 20165, 40330, 73889, 147778, 217673, 369445, 435346, 738890, 1088365, 2176730, 8053901, 16107802, 40269505, 80539010]

約数ペア:

[(1, 80539010), (2, 40269505), (5, 16107802), (10, 8053901), (37, 2176730), (74, 1088365), (109, 738890), (185, 435346), (218, 369445), (370, 217673), (545, 147778), (1090, 73889), (1997, 40330), (3994, 20165), (4033, 19970), (8066, 9985)]