28570400

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:594

約数の個数: 72

約数和(自身を含む): 70870464

約数和(自身を除く): 42300064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 503, 568, 710, 800, 1006, 1136, 1420, 1775, 2012, 2272, 2515, 2840, 3550, 4024, 5030, 5680, 7100, 8048, 10060, 11360, 12575, 14200, 16096, 20120, 25150, 28400, 35713, 40240, 50300, 56800, 71426, 80480, 100600, 142852, 178565, 201200, 285704, 357130, 402400, 571408, 714260, 892825, 1142816, 1428520, 1785650, 2857040, 3571300, 5714080, 7142600, 14285200, 28570400]

約数ペア:

[(1, 28570400), (2, 14285200), (4, 7142600), (5, 5714080), (8, 3571300), (10, 2857040), (16, 1785650), (20, 1428520), (25, 1142816), (32, 892825), (40, 714260), (50, 571408), (71, 402400), (80, 357130), (100, 285704), (142, 201200), (160, 178565), (200, 142852), (284, 100600), (355, 80480), (400, 71426), (503, 56800), (568, 50300), (710, 40240), (800, 35713), (1006, 28400), (1136, 25150), (1420, 20120), (1775, 16096), (2012, 14200), (2272, 12575), (2515, 11360), (2840, 10060), (3550, 8048), (4024, 7100), (5030, 5680)]