87992720

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{20753}}^1$

素因数の和:20819

約数の個数: 40

約数和(自身を含む): 208453176

約数和(自身を除く): 120460456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 20753, 41506, 83012, 103765, 166024, 207530, 332048, 415060, 830120, 1099909, 1660240, 2199818, 4399636, 5499545, 8799272, 10999090, 17598544, 21998180, 43996360, 87992720]

約数ペア:

[(1, 87992720), (2, 43996360), (4, 21998180), (5, 17598544), (8, 10999090), (10, 8799272), (16, 5499545), (20, 4399636), (40, 2199818), (53, 1660240), (80, 1099909), (106, 830120), (212, 415060), (265, 332048), (424, 207530), (530, 166024), (848, 103765), (1060, 83012), (2120, 41506), (4240, 20753)]