26784680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2711}}^1$

素因数の和:2754

約数の個数: 64

約数和(自身を含む): 68342400

約数和(自身を除く): 41557720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 2711, 4940, 5422, 9880, 10844, 13555, 21688, 27110, 35243, 51509, 54220, 70486, 103018, 108440, 140972, 176215, 206036, 257545, 281944, 352430, 412072, 515090, 669617, 704860, 1030180, 1339234, 1409720, 2060360, 2678468, 3348085, 5356936, 6696170, 13392340, 26784680]

約数ペア:

[(1, 26784680), (2, 13392340), (4, 6696170), (5, 5356936), (8, 3348085), (10, 2678468), (13, 2060360), (19, 1409720), (20, 1339234), (26, 1030180), (38, 704860), (40, 669617), (52, 515090), (65, 412072), (76, 352430), (95, 281944), (104, 257545), (130, 206036), (152, 176215), (190, 140972), (247, 108440), (260, 103018), (380, 70486), (494, 54220), (520, 51509), (760, 35243), (988, 27110), (1235, 21688), (1976, 13555), (2470, 10844), (2711, 9880), (4940, 5422)]