8520231460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1\times {\mathrm{1151}}^1$

素因数の和:1645

約数の個数: 96

約数和(自身を含む): 19605970944

約数和(自身を除く): 11085739484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 401, 710, 802, 923, 1151, 1420, 1604, 1846, 2005, 2302, 3692, 4010, 4604, 4615, 5213, 5755, 8020, 9230, 10426, 11510, 14963, 18460, 20852, 23020, 26065, 28471, 29926, 52130, 56942, 59852, 74815, 81721, 104260, 113884, 142355, 149630, 163442, 284710, 299260, 326884, 370123, 408605, 461551, 569420, 740246, 817210, 923102, 1062373, 1480492, 1634420, 1846204, 1850615, 2124746, 2307755, 3701230, 4249492, 4615510, 5311865, 6000163, 7402460, 9231020, 10623730, 12000326, 21247460, 24000652, 30000815, 32770121, 60001630, 65540242, 120003260, 131080484, 163850605, 327701210, 426011573, 655402420, 852023146, 1704046292, 2130057865, 4260115730, 8520231460]

約数ペア:

[(1, 8520231460), (2, 4260115730), (4, 2130057865), (5, 1704046292), (10, 852023146), (13, 655402420), (20, 426011573), (26, 327701210), (52, 163850605), (65, 131080484), (71, 120003260), (130, 65540242), (142, 60001630), (260, 32770121), (284, 30000815), (355, 24000652), (401, 21247460), (710, 12000326), (802, 10623730), (923, 9231020), (1151, 7402460), (1420, 6000163), (1604, 5311865), (1846, 4615510), (2005, 4249492), (2302, 3701230), (3692, 2307755), (4010, 2124746), (4604, 1850615), (4615, 1846204), (5213, 1634420), (5755, 1480492), (8020, 1062373), (9230, 923102), (10426, 817210), (11510, 740246), (14963, 569420), (18460, 461551), (20852, 408605), (23020, 370123), (26065, 326884), (28471, 299260), (29926, 284710), (52130, 163442), (56942, 149630), (59852, 142355), (74815, 113884), (81721, 104260)]