65573780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 142490880

約数和(自身を除く): 76917100

約数列:

[1, 2, 4, 5, 10, 20, 59, 61, 118, 122, 236, 244, 295, 305, 590, 610, 911, 1180, 1220, 1822, 3599, 3644, 4555, 7198, 9110, 14396, 17995, 18220, 35990, 53749, 55571, 71980, 107498, 111142, 214996, 222284, 268745, 277855, 537490, 555710, 1074980, 1111420, 3278689, 6557378, 13114756, 16393445, 32786890, 65573780]

約数ペア:

[(1, 65573780), (2, 32786890), (4, 16393445), (5, 13114756), (10, 6557378), (20, 3278689), (59, 1111420), (61, 1074980), (118, 555710), (122, 537490), (236, 277855), (244, 268745), (295, 222284), (305, 214996), (590, 111142), (610, 107498), (911, 71980), (1180, 55571), (1220, 53749), (1822, 35990), (3599, 18220), (3644, 17995), (4555, 14396), (7198, 9110)]