78838580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1259}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 172730880

約数和(自身を除く): 93892300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 505, 620, 1010, 1259, 2020, 2518, 3131, 5036, 6262, 6295, 12524, 12590, 15655, 25180, 31310, 39029, 62620, 78058, 127159, 156116, 195145, 254318, 390290, 508636, 635795, 780580, 1271590, 2543180, 3941929, 7883858, 15767716, 19709645, 39419290, 78838580]

約数ペア:

[(1, 78838580), (2, 39419290), (4, 19709645), (5, 15767716), (10, 7883858), (20, 3941929), (31, 2543180), (62, 1271590), (101, 780580), (124, 635795), (155, 508636), (202, 390290), (310, 254318), (404, 195145), (505, 156116), (620, 127159), (1010, 78058), (1259, 62620), (2020, 39029), (2518, 31310), (3131, 25180), (5036, 15655), (6262, 12590), (6295, 12524)]