2131437040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{375253}}^1$

素因数の和:375337

約数の個数: 40

約数和(自身を含む): 5025401568

約数和(自身を除く): 2893964528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 375253, 750506, 1501012, 1876265, 3002024, 3752530, 6004048, 7505060, 15010120, 26642963, 30020240, 53285926, 106571852, 133214815, 213143704, 266429630, 426287408, 532859260, 1065718520, 2131437040]

約数ペア:

[(1, 2131437040), (2, 1065718520), (4, 532859260), (5, 426287408), (8, 266429630), (10, 213143704), (16, 133214815), (20, 106571852), (40, 53285926), (71, 30020240), (80, 26642963), (142, 15010120), (284, 7505060), (355, 6004048), (568, 3752530), (710, 3002024), (1136, 1876265), (1420, 1501012), (2840, 750506), (5680, 375253)]