22509880

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6323}}^1$

素因数の和:6423

約数の個数: 32

約数和(自身を含む): 51224400

約数和(自身を除く): 28714520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 6323, 12646, 25292, 31615, 50584, 63230, 126460, 252920, 562747, 1125494, 2250988, 2813735, 4501976, 5627470, 11254940, 22509880]

約数ペア:

[(1, 22509880), (2, 11254940), (4, 5627470), (5, 4501976), (8, 2813735), (10, 2250988), (20, 1125494), (40, 562747), (89, 252920), (178, 126460), (356, 63230), (445, 50584), (712, 31615), (890, 25292), (1780, 12646), (3560, 6323)]