13070720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1571}}^1$

素因数の和:1603

約数の個数: 64

約数和(自身を含む): 33672240

約数和(自身を除く): 20601520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1571, 1664, 2080, 3142, 4160, 6284, 7855, 8320, 12568, 15710, 20423, 25136, 31420, 40846, 50272, 62840, 81692, 100544, 102115, 125680, 163384, 201088, 204230, 251360, 326768, 408460, 502720, 653536, 816920, 1005440, 1307072, 1633840, 2614144, 3267680, 6535360, 13070720]

約数ペア:

[(1, 13070720), (2, 6535360), (4, 3267680), (5, 2614144), (8, 1633840), (10, 1307072), (13, 1005440), (16, 816920), (20, 653536), (26, 502720), (32, 408460), (40, 326768), (52, 251360), (64, 204230), (65, 201088), (80, 163384), (104, 125680), (128, 102115), (130, 100544), (160, 81692), (208, 62840), (260, 50272), (320, 40846), (416, 31420), (520, 25136), (640, 20423), (832, 15710), (1040, 12568), (1571, 8320), (1664, 7855), (2080, 6284), (3142, 4160)]