40370720

素因数分解:

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

素因数の和:1534

約数の個数: 72

約数和(自身を含む): 103345956

約数和(自身を除く): 62975236

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1493, 1690, 2080, 2704, 2986, 3380, 5408, 5972, 6760, 7465, 11944, 13520, 14930, 19409, 23888, 27040, 29860, 38818, 47776, 59720, 77636, 97045, 119440, 155272, 194090, 238880, 252317, 310544, 388180, 504634, 621088, 776360, 1009268, 1261585, 1552720, 2018536, 2523170, 3105440, 4037072, 5046340, 8074144, 10092680, 20185360, 40370720]

約数ペア:

[(1, 40370720), (2, 20185360), (4, 10092680), (5, 8074144), (8, 5046340), (10, 4037072), (13, 3105440), (16, 2523170), (20, 2018536), (26, 1552720), (32, 1261585), (40, 1009268), (52, 776360), (65, 621088), (80, 504634), (104, 388180), (130, 310544), (160, 252317), (169, 238880), (208, 194090), (260, 155272), (338, 119440), (416, 97045), (520, 77636), (676, 59720), (845, 47776), (1040, 38818), (1352, 29860), (1493, 27040), (1690, 23888), (2080, 19409), (2704, 14930), (2986, 13520), (3380, 11944), (5408, 7465), (5972, 6760)]