43970420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{13009}}^1$

素因数の和:13044

約数の個数: 36

約数和(自身を含む): 99994860

約数和(自身を除く): 56024440

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 13009, 26018, 52036, 65045, 130090, 169117, 260180, 338234, 676468, 845585, 1691170, 2198521, 3382340, 4397042, 8794084, 10992605, 21985210, 43970420]

約数ペア:

[(1, 43970420), (2, 21985210), (4, 10992605), (5, 8794084), (10, 4397042), (13, 3382340), (20, 2198521), (26, 1691170), (52, 845585), (65, 676468), (130, 338234), (169, 260180), (260, 169117), (338, 130090), (676, 65045), (845, 52036), (1690, 26018), (3380, 13009)]