64295920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 162302112

約数和(自身を除く): 98006192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 211, 260, 293, 422, 520, 586, 844, 1040, 1055, 1172, 1465, 1688, 2110, 2344, 2743, 2930, 3376, 3809, 4220, 4688, 5486, 5860, 7618, 8440, 10972, 11720, 13715, 15236, 16880, 19045, 21944, 23440, 27430, 30472, 38090, 43888, 54860, 60944, 61823, 76180, 109720, 123646, 152360, 219440, 247292, 304720, 309115, 494584, 618230, 803699, 989168, 1236460, 1607398, 2472920, 3214796, 4018495, 4945840, 6429592, 8036990, 12859184, 16073980, 32147960, 64295920]

約数ペア:

[(1, 64295920), (2, 32147960), (4, 16073980), (5, 12859184), (8, 8036990), (10, 6429592), (13, 4945840), (16, 4018495), (20, 3214796), (26, 2472920), (40, 1607398), (52, 1236460), (65, 989168), (80, 803699), (104, 618230), (130, 494584), (208, 309115), (211, 304720), (260, 247292), (293, 219440), (422, 152360), (520, 123646), (586, 109720), (844, 76180), (1040, 61823), (1055, 60944), (1172, 54860), (1465, 43888), (1688, 38090), (2110, 30472), (2344, 27430), (2743, 23440), (2930, 21944), (3376, 19045), (3809, 16880), (4220, 15236), (4688, 13715), (5486, 11720), (5860, 10972), (7618, 8440)]