8917600

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 72

約数和(自身を含む): 22217328

約数和(自身を除く): 13299728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 157, 160, 200, 284, 314, 355, 400, 568, 628, 710, 785, 800, 1136, 1256, 1420, 1570, 1775, 2272, 2512, 2840, 3140, 3550, 3925, 5024, 5680, 6280, 7100, 7850, 11147, 11360, 12560, 14200, 15700, 22294, 25120, 28400, 31400, 44588, 55735, 56800, 62800, 89176, 111470, 125600, 178352, 222940, 278675, 356704, 445880, 557350, 891760, 1114700, 1783520, 2229400, 4458800, 8917600]

約数ペア:

[(1, 8917600), (2, 4458800), (4, 2229400), (5, 1783520), (8, 1114700), (10, 891760), (16, 557350), (20, 445880), (25, 356704), (32, 278675), (40, 222940), (50, 178352), (71, 125600), (80, 111470), (100, 89176), (142, 62800), (157, 56800), (160, 55735), (200, 44588), (284, 31400), (314, 28400), (355, 25120), (400, 22294), (568, 15700), (628, 14200), (710, 12560), (785, 11360), (800, 11147), (1136, 7850), (1256, 7100), (1420, 6280), (1570, 5680), (1775, 5024), (2272, 3925), (2512, 3550), (2840, 3140)]