4492280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 11158560

約数和(自身を除く): 6666280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 163, 212, 260, 265, 326, 424, 520, 530, 652, 689, 815, 1060, 1304, 1378, 1630, 2119, 2120, 2756, 3260, 3445, 4238, 5512, 6520, 6890, 8476, 8639, 10595, 13780, 16952, 17278, 21190, 27560, 34556, 42380, 43195, 69112, 84760, 86390, 112307, 172780, 224614, 345560, 449228, 561535, 898456, 1123070, 2246140, 4492280]

約数ペア:

[(1, 4492280), (2, 2246140), (4, 1123070), (5, 898456), (8, 561535), (10, 449228), (13, 345560), (20, 224614), (26, 172780), (40, 112307), (52, 86390), (53, 84760), (65, 69112), (104, 43195), (106, 42380), (130, 34556), (163, 27560), (212, 21190), (260, 17278), (265, 16952), (326, 13780), (424, 10595), (520, 8639), (530, 8476), (652, 6890), (689, 6520), (815, 5512), (1060, 4238), (1304, 3445), (1378, 3260), (1630, 2756), (2119, 2120)]