80055380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{977}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 178927056

約数和(自身を除く): 98871676

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 241, 340, 482, 964, 977, 1205, 1954, 2410, 3908, 4097, 4820, 4885, 8194, 9770, 16388, 16609, 19540, 20485, 33218, 40970, 66436, 81940, 83045, 166090, 235457, 332180, 470914, 941828, 1177285, 2354570, 4002769, 4709140, 8005538, 16011076, 20013845, 40027690, 80055380]

約数ペア:

[(1, 80055380), (2, 40027690), (4, 20013845), (5, 16011076), (10, 8005538), (17, 4709140), (20, 4002769), (34, 2354570), (68, 1177285), (85, 941828), (170, 470914), (241, 332180), (340, 235457), (482, 166090), (964, 83045), (977, 81940), (1205, 66436), (1954, 40970), (2410, 33218), (3908, 20485), (4097, 19540), (4820, 16609), (4885, 16388), (8194, 9770)]