80048540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2153}}^1$

素因数の和:2199

約数の個数: 72

約数和(自身を含む): 198667728

約数和(自身を除く): 118619188

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 2153, 2860, 3380, 3718, 4306, 7436, 8612, 9295, 10765, 18590, 21530, 23683, 27989, 37180, 43060, 47366, 55978, 94732, 111956, 118415, 139945, 236830, 279890, 307879, 363857, 473660, 559780, 615758, 727714, 1231516, 1455428, 1539395, 1819285, 3078790, 3638570, 4002427, 6157580, 7277140, 8004854, 16009708, 20012135, 40024270, 80048540]

約数ペア:

[(1, 80048540), (2, 40024270), (4, 20012135), (5, 16009708), (10, 8004854), (11, 7277140), (13, 6157580), (20, 4002427), (22, 3638570), (26, 3078790), (44, 1819285), (52, 1539395), (55, 1455428), (65, 1231516), (110, 727714), (130, 615758), (143, 559780), (169, 473660), (220, 363857), (260, 307879), (286, 279890), (338, 236830), (572, 139945), (676, 118415), (715, 111956), (845, 94732), (1430, 55978), (1690, 47366), (1859, 43060), (2153, 37180), (2860, 27989), (3380, 23683), (3718, 21530), (4306, 18590), (7436, 10765), (8612, 9295)]