40223680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17957}}^1$

素因数の和:17981

約数の個数: 56

約数和(自身を含む): 109471968

約数和(自身を除く): 69248288

約数列:

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

約数ペア:

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