80447360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17957}}^1$

素因数の和:17983

約数の個数: 64

約数和(自身を含む): 219805920

約数和(自身を除く): 139358560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 17957, 35914, 71828, 89785, 125699, 143656, 179570, 251398, 287312, 359140, 502796, 574624, 628495, 718280, 1005592, 1149248, 1256990, 1436560, 2011184, 2298496, 2513980, 2873120, 4022368, 5027960, 5746240, 8044736, 10055920, 11492480, 16089472, 20111840, 40223680, 80447360]

約数ペア:

[(1, 80447360), (2, 40223680), (4, 20111840), (5, 16089472), (7, 11492480), (8, 10055920), (10, 8044736), (14, 5746240), (16, 5027960), (20, 4022368), (28, 2873120), (32, 2513980), (35, 2298496), (40, 2011184), (56, 1436560), (64, 1256990), (70, 1149248), (80, 1005592), (112, 718280), (128, 628495), (140, 574624), (160, 502796), (224, 359140), (280, 287312), (320, 251398), (448, 179570), (560, 143656), (640, 125699), (896, 89785), (1120, 71828), (2240, 35914), (4480, 17957)]