4098640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 11749248

約数和(自身を除く): 7650608

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 563, 728, 910, 1040, 1126, 1456, 1820, 2252, 2815, 3640, 3941, 4504, 5630, 7280, 7319, 7882, 9008, 11260, 14638, 15764, 19705, 22520, 29276, 31528, 36595, 39410, 45040, 51233, 58552, 63056, 73190, 78820, 102466, 117104, 146380, 157640, 204932, 256165, 292760, 315280, 409864, 512330, 585520, 819728, 1024660, 2049320, 4098640]

約数ペア:

[(1, 4098640), (2, 2049320), (4, 1024660), (5, 819728), (7, 585520), (8, 512330), (10, 409864), (13, 315280), (14, 292760), (16, 256165), (20, 204932), (26, 157640), (28, 146380), (35, 117104), (40, 102466), (52, 78820), (56, 73190), (65, 63056), (70, 58552), (80, 51233), (91, 45040), (104, 39410), (112, 36595), (130, 31528), (140, 29276), (182, 22520), (208, 19705), (260, 15764), (280, 14638), (364, 11260), (455, 9008), (520, 7882), (560, 7319), (563, 7280), (728, 5630), (910, 4504), (1040, 3941), (1126, 3640), (1456, 2815), (1820, 2252)]