1269881860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{68791}}^1$

素因数の和:68884

約数の個数: 48

約数和(自身を含む): 2912378112

約数和(自身を除く): 1642496252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 68791, 137582, 275164, 343955, 687910, 894283, 1375820, 1788566, 3577132, 4471415, 4884161, 8942830, 9768322, 17885660, 19536644, 24420805, 48841610, 63494093, 97683220, 126988186, 253976372, 317470465, 634940930, 1269881860]

約数ペア:

[(1, 1269881860), (2, 634940930), (4, 317470465), (5, 253976372), (10, 126988186), (13, 97683220), (20, 63494093), (26, 48841610), (52, 24420805), (65, 19536644), (71, 17885660), (130, 9768322), (142, 8942830), (260, 4884161), (284, 4471415), (355, 3577132), (710, 1788566), (923, 1375820), (1420, 894283), (1846, 687910), (3692, 343955), (4615, 275164), (9230, 137582), (18460, 68791)]