65105270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2039}}^1$

素因数の和:2180

約数の個数: 32

約数和(自身を含む): 122204160

約数和(自身を除く): 57098890

約数列:

[1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 515, 1030, 2039, 3193, 4078, 6386, 10195, 15965, 20390, 31930, 63209, 126418, 210017, 316045, 420034, 632090, 1050085, 2100170, 6510527, 13021054, 32552635, 65105270]

約数ペア:

[(1, 65105270), (2, 32552635), (5, 13021054), (10, 6510527), (31, 2100170), (62, 1050085), (103, 632090), (155, 420034), (206, 316045), (310, 210017), (515, 126418), (1030, 63209), (2039, 31930), (3193, 20390), (4078, 15965), (6386, 10195)]