65294840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{743}}^1$

素因数の和:793

約数の個数: 64

約数和(自身を含む): 159364800

約数和(自身を除く): 94069960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 743, 845, 1352, 1486, 1690, 2197, 2972, 3380, 3715, 4394, 5944, 6760, 7430, 8788, 9659, 10985, 14860, 17576, 19318, 21970, 29720, 38636, 43940, 48295, 77272, 87880, 96590, 125567, 193180, 251134, 386360, 502268, 627835, 1004536, 1255670, 1632371, 2511340, 3264742, 5022680, 6529484, 8161855, 13058968, 16323710, 32647420, 65294840]

約数ペア:

[(1, 65294840), (2, 32647420), (4, 16323710), (5, 13058968), (8, 8161855), (10, 6529484), (13, 5022680), (20, 3264742), (26, 2511340), (40, 1632371), (52, 1255670), (65, 1004536), (104, 627835), (130, 502268), (169, 386360), (260, 251134), (338, 193180), (520, 125567), (676, 96590), (743, 87880), (845, 77272), (1352, 48295), (1486, 43940), (1690, 38636), (2197, 29720), (2972, 21970), (3380, 19318), (3715, 17576), (4394, 14860), (5944, 10985), (6760, 9659), (7430, 8788)]