22905040

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3217}}^1$

素因数の和:3319

約数の個数: 40

約数和(自身を含む): 53869320

約数和(自身を除く): 30964280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3217, 3560, 6434, 7120, 12868, 16085, 25736, 32170, 51472, 64340, 128680, 257360, 286313, 572626, 1145252, 1431565, 2290504, 2863130, 4581008, 5726260, 11452520, 22905040]

約数ペア:

[(1, 22905040), (2, 11452520), (4, 5726260), (5, 4581008), (8, 2863130), (10, 2290504), (16, 1431565), (20, 1145252), (40, 572626), (80, 286313), (89, 257360), (178, 128680), (356, 64340), (445, 51472), (712, 32170), (890, 25736), (1424, 16085), (1780, 12868), (3217, 7120), (3560, 6434)]