16804840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1901}}^1$

素因数の和:1942

約数の個数: 64

約数和(自身を含む): 43137360

約数和(自身を除く): 26332520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 1901, 2210, 3802, 4420, 7604, 8840, 9505, 15208, 19010, 24713, 32317, 38020, 49426, 64634, 76040, 98852, 123565, 129268, 161585, 197704, 247130, 258536, 323170, 420121, 494260, 646340, 840242, 988520, 1292680, 1680484, 2100605, 3360968, 4201210, 8402420, 16804840]

約数ペア:

[(1, 16804840), (2, 8402420), (4, 4201210), (5, 3360968), (8, 2100605), (10, 1680484), (13, 1292680), (17, 988520), (20, 840242), (26, 646340), (34, 494260), (40, 420121), (52, 323170), (65, 258536), (68, 247130), (85, 197704), (104, 161585), (130, 129268), (136, 123565), (170, 98852), (221, 76040), (260, 64634), (340, 49426), (442, 38020), (520, 32317), (680, 24713), (884, 19010), (1105, 15208), (1768, 9505), (1901, 8840), (2210, 7604), (3802, 4420)]