64851940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10039}}^1$

素因数の和:10084

約数の個数: 48

約数和(自身を含む): 151804800

約数和(自身を除く): 86952860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 10039, 20078, 40156, 50195, 100390, 170663, 190741, 200780, 341326, 381482, 682652, 762964, 853315, 953705, 1706630, 1907410, 3242597, 3413260, 3814820, 6485194, 12970388, 16212985, 32425970, 64851940]

約数ペア:

[(1, 64851940), (2, 32425970), (4, 16212985), (5, 12970388), (10, 6485194), (17, 3814820), (19, 3413260), (20, 3242597), (34, 1907410), (38, 1706630), (68, 953705), (76, 853315), (85, 762964), (95, 682652), (170, 381482), (190, 341326), (323, 200780), (340, 190741), (380, 170663), (646, 100390), (1292, 50195), (1615, 40156), (3230, 20078), (6460, 10039)]