88885540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1777}}^1$

素因数の和:1888

約数の個数: 48

約数和(自身を含む): 194456304

約数和(自身を除く): 105570764

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 1220, 1777, 2501, 3554, 5002, 7108, 8885, 10004, 12505, 17770, 25010, 35540, 50020, 72857, 108397, 145714, 216794, 291428, 364285, 433588, 541985, 728570, 1083970, 1457140, 2167940, 4444277, 8888554, 17777108, 22221385, 44442770, 88885540]

約数ペア:

[(1, 88885540), (2, 44442770), (4, 22221385), (5, 17777108), (10, 8888554), (20, 4444277), (41, 2167940), (61, 1457140), (82, 1083970), (122, 728570), (164, 541985), (205, 433588), (244, 364285), (305, 291428), (410, 216794), (610, 145714), (820, 108397), (1220, 72857), (1777, 50020), (2501, 35540), (3554, 25010), (5002, 17770), (7108, 12505), (8885, 10004)]