8330740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2032

約数の個数: 48

約数和(自身を含む): 20099520

約数和(自身を除く): 11768780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 1993, 2090, 3986, 4180, 7972, 9965, 19930, 21923, 37867, 39860, 43846, 75734, 87692, 109615, 151468, 189335, 219230, 378670, 416537, 438460, 757340, 833074, 1666148, 2082685, 4165370, 8330740]

約数ペア:

[(1, 8330740), (2, 4165370), (4, 2082685), (5, 1666148), (10, 833074), (11, 757340), (19, 438460), (20, 416537), (22, 378670), (38, 219230), (44, 189335), (55, 151468), (76, 109615), (95, 87692), (110, 75734), (190, 43846), (209, 39860), (220, 37867), (380, 21923), (418, 19930), (836, 9965), (1045, 7972), (1993, 4180), (2090, 3986)]