8439364000

素因数分解:

$2^5\times 5^3\times {\mathrm{2109841}}^1$

素因数の和:2109866

約数の個数: 48

約数和(自身を含む): 20735527176

約数和(自身を除く): 12296163176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 2109841, 4219682, 8439364, 10549205, 16878728, 21098410, 33757456, 42196820, 52746025, 67514912, 84393640, 105492050, 168787280, 210984100, 263730125, 337574560, 421968200, 527460250, 843936400, 1054920500, 1687872800, 2109841000, 4219682000, 8439364000]

約数ペア:

[(1, 8439364000), (2, 4219682000), (4, 2109841000), (5, 1687872800), (8, 1054920500), (10, 843936400), (16, 527460250), (20, 421968200), (25, 337574560), (32, 263730125), (40, 210984100), (50, 168787280), (80, 105492050), (100, 84393640), (125, 67514912), (160, 52746025), (200, 42196820), (250, 33757456), (400, 21098410), (500, 16878728), (800, 10549205), (1000, 8439364), (2000, 4219682), (4000, 2109841)]