38938840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 93584160

約数和(自身を除く): 54645320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 173, 331, 340, 346, 662, 680, 692, 865, 1324, 1384, 1655, 1730, 2648, 2941, 3310, 3460, 5627, 5882, 6620, 6920, 11254, 11764, 13240, 14705, 22508, 23528, 28135, 29410, 45016, 56270, 57263, 58820, 112540, 114526, 117640, 225080, 229052, 286315, 458104, 572630, 973471, 1145260, 1946942, 2290520, 3893884, 4867355, 7787768, 9734710, 19469420, 38938840]

約数ペア:

[(1, 38938840), (2, 19469420), (4, 9734710), (5, 7787768), (8, 4867355), (10, 3893884), (17, 2290520), (20, 1946942), (34, 1145260), (40, 973471), (68, 572630), (85, 458104), (136, 286315), (170, 229052), (173, 225080), (331, 117640), (340, 114526), (346, 112540), (662, 58820), (680, 57263), (692, 56270), (865, 45016), (1324, 29410), (1384, 28135), (1655, 23528), (1730, 22508), (2648, 14705), (2941, 13240), (3310, 11764), (3460, 11254), (5627, 6920), (5882, 6620)]