90165980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{6323}}^1$

素因数の和:6386

約数の個数: 48

約数和(自身を含む): 203986944

約数和(自身を除く): 113820964

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 2852, 3565, 6323, 7130, 12646, 14260, 25292, 31615, 63230, 126460, 145429, 196013, 290858, 392026, 581716, 727145, 784052, 980065, 1454290, 1960130, 2908580, 3920260, 4508299, 9016598, 18033196, 22541495, 45082990, 90165980]

約数ペア:

[(1, 90165980), (2, 45082990), (4, 22541495), (5, 18033196), (10, 9016598), (20, 4508299), (23, 3920260), (31, 2908580), (46, 1960130), (62, 1454290), (92, 980065), (115, 784052), (124, 727145), (155, 581716), (230, 392026), (310, 290858), (460, 196013), (620, 145429), (713, 126460), (1426, 63230), (2852, 31615), (3565, 25292), (6323, 14260), (7130, 12646)]