13198120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1493}}^1$

素因数の和:1534

約数の個数: 64

約数和(自身を含む): 33883920

約数和(自身を除く): 20685800

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, 1493, 1768, 2210, 2986, 4420, 5972, 7465, 8840, 11944, 14930, 19409, 25381, 29860, 38818, 50762, 59720, 77636, 97045, 101524, 126905, 155272, 194090, 203048, 253810, 329953, 388180, 507620, 659906, 776360, 1015240, 1319812, 1649765, 2639624, 3299530, 6599060, 13198120]

約数ペア:

[(1, 13198120), (2, 6599060), (4, 3299530), (5, 2639624), (8, 1649765), (10, 1319812), (13, 1015240), (17, 776360), (20, 659906), (26, 507620), (34, 388180), (40, 329953), (52, 253810), (65, 203048), (68, 194090), (85, 155272), (104, 126905), (130, 101524), (136, 97045), (170, 77636), (221, 59720), (260, 50762), (340, 38818), (442, 29860), (520, 25381), (680, 19409), (884, 14930), (1105, 11944), (1493, 8840), (1768, 7465), (2210, 5972), (2986, 4420)]