80444540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{5009}}^1$

素因数の和:5102

約数の個数: 48

約数和(自身を含む): 186852960

約数和(自身を除く): 106408420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 5009, 8030, 10018, 16060, 20036, 25045, 50090, 55099, 100180, 110198, 220396, 275495, 365657, 550990, 731314, 1101980, 1462628, 1828285, 3656570, 4022227, 7313140, 8044454, 16088908, 20111135, 40222270, 80444540]

約数ペア:

[(1, 80444540), (2, 40222270), (4, 20111135), (5, 16088908), (10, 8044454), (11, 7313140), (20, 4022227), (22, 3656570), (44, 1828285), (55, 1462628), (73, 1101980), (110, 731314), (146, 550990), (220, 365657), (292, 275495), (365, 220396), (730, 110198), (803, 100180), (1460, 55099), (1606, 50090), (3212, 25045), (4015, 20036), (5009, 16060), (8030, 10018)]