16502720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3967}}^1$

素因数の和:3997

約数の個数: 56

約数和(自身を含む): 42330624

約数和(自身を除く): 25827904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 3967, 4160, 7934, 15868, 19835, 31736, 39670, 51571, 63472, 79340, 103142, 126944, 158680, 206284, 253888, 257855, 317360, 412568, 515710, 634720, 825136, 1031420, 1269440, 1650272, 2062840, 3300544, 4125680, 8251360, 16502720]

約数ペア:

[(1, 16502720), (2, 8251360), (4, 4125680), (5, 3300544), (8, 2062840), (10, 1650272), (13, 1269440), (16, 1031420), (20, 825136), (26, 634720), (32, 515710), (40, 412568), (52, 317360), (64, 257855), (65, 253888), (80, 206284), (104, 158680), (130, 126944), (160, 103142), (208, 79340), (260, 63472), (320, 51571), (416, 39670), (520, 31736), (832, 19835), (1040, 15868), (2080, 7934), (3967, 4160)]