64208180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1439}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 142248960

約数和(自身を除く): 78040780

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 485, 970, 1439, 1940, 2231, 2878, 4462, 5756, 7195, 8924, 11155, 14390, 22310, 28780, 33097, 44620, 66194, 132388, 139583, 165485, 279166, 330970, 558332, 661940, 697915, 1395830, 2791660, 3210409, 6420818, 12841636, 16052045, 32104090, 64208180]

約数ペア:

[(1, 64208180), (2, 32104090), (4, 16052045), (5, 12841636), (10, 6420818), (20, 3210409), (23, 2791660), (46, 1395830), (92, 697915), (97, 661940), (115, 558332), (194, 330970), (230, 279166), (388, 165485), (460, 139583), (485, 132388), (970, 66194), (1439, 44620), (1940, 33097), (2231, 28780), (2878, 22310), (4462, 14390), (5756, 11155), (7195, 8924)]