52100000

素因数分解:

$2^5\times 5^5\times {\mathrm{521}}^1$

素因数の和:556

約数の個数: 72

約数和(自身を含む): 128452716

約数和(自身を除く): 76352716

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 521, 625, 800, 1000, 1042, 1250, 2000, 2084, 2500, 2605, 3125, 4000, 4168, 5000, 5210, 6250, 8336, 10000, 10420, 12500, 13025, 16672, 20000, 20840, 25000, 26050, 41680, 50000, 52100, 65125, 83360, 100000, 104200, 130250, 208400, 260500, 325625, 416800, 521000, 651250, 1042000, 1302500, 1628125, 2084000, 2605000, 3256250, 5210000, 6512500, 10420000, 13025000, 26050000, 52100000]

約数ペア:

[(1, 52100000), (2, 26050000), (4, 13025000), (5, 10420000), (8, 6512500), (10, 5210000), (16, 3256250), (20, 2605000), (25, 2084000), (32, 1628125), (40, 1302500), (50, 1042000), (80, 651250), (100, 521000), (125, 416800), (160, 325625), (200, 260500), (250, 208400), (400, 130250), (500, 104200), (521, 100000), (625, 83360), (800, 65125), (1000, 52100), (1042, 50000), (1250, 41680), (2000, 26050), (2084, 25000), (2500, 20840), (2605, 20000), (3125, 16672), (4000, 13025), (4168, 12500), (5000, 10420), (5210, 10000), (6250, 8336)]