20070464560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{26251}}^1$

素因数の和:26786

約数の個数: 80

約数和(自身を含む): 49219349760

約数和(自身を除く): 29148885200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 503, 760, 1006, 1520, 2012, 2515, 4024, 5030, 8048, 9557, 10060, 19114, 20120, 26251, 38228, 40240, 47785, 52502, 76456, 95570, 105004, 131255, 152912, 191140, 210008, 262510, 382280, 420016, 498769, 525020, 764560, 997538, 1050040, 1995076, 2100080, 2493845, 3990152, 4987690, 7980304, 9975380, 13204253, 19950760, 26408506, 39901520, 52817012, 66021265, 105634024, 132042530, 211268048, 250880807, 264085060, 501761614, 528170120, 1003523228, 1056340240, 1254404035, 2007046456, 2508808070, 4014092912, 5017616140, 10035232280, 20070464560]

約数ペア:

[(1, 20070464560), (2, 10035232280), (4, 5017616140), (5, 4014092912), (8, 2508808070), (10, 2007046456), (16, 1254404035), (19, 1056340240), (20, 1003523228), (38, 528170120), (40, 501761614), (76, 264085060), (80, 250880807), (95, 211268048), (152, 132042530), (190, 105634024), (304, 66021265), (380, 52817012), (503, 39901520), (760, 26408506), (1006, 19950760), (1520, 13204253), (2012, 9975380), (2515, 7980304), (4024, 4987690), (5030, 3990152), (8048, 2493845), (9557, 2100080), (10060, 1995076), (19114, 1050040), (20120, 997538), (26251, 764560), (38228, 525020), (40240, 498769), (47785, 420016), (52502, 382280), (76456, 262510), (95570, 210008), (105004, 191140), (131255, 152912)]