158049160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{647}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 369515520

約数和(自身を除く): 211466360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 197, 248, 310, 394, 620, 647, 788, 985, 1240, 1294, 1576, 1970, 2588, 3235, 3940, 5176, 6107, 6470, 7880, 12214, 12940, 20057, 24428, 25880, 30535, 40114, 48856, 61070, 80228, 100285, 122140, 127459, 160456, 200570, 244280, 254918, 401140, 509836, 637295, 802280, 1019672, 1274590, 2549180, 3951229, 5098360, 7902458, 15804916, 19756145, 31609832, 39512290, 79024580, 158049160]

約数ペア:

[(1, 158049160), (2, 79024580), (4, 39512290), (5, 31609832), (8, 19756145), (10, 15804916), (20, 7902458), (31, 5098360), (40, 3951229), (62, 2549180), (124, 1274590), (155, 1019672), (197, 802280), (248, 637295), (310, 509836), (394, 401140), (620, 254918), (647, 244280), (788, 200570), (985, 160456), (1240, 127459), (1294, 122140), (1576, 100285), (1970, 80228), (2588, 61070), (3235, 48856), (3940, 40114), (5176, 30535), (6107, 25880), (6470, 24428), (7880, 20057), (12214, 12940)]