17970880

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:737

約数の個数: 56

約数和(自身を含む): 43342560

約数和(自身を除く): 25371680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 631, 712, 890, 1262, 1424, 1780, 2524, 2848, 3155, 3560, 5048, 5696, 6310, 7120, 10096, 12620, 14240, 20192, 25240, 28480, 40384, 50480, 56159, 100960, 112318, 201920, 224636, 280795, 449272, 561590, 898544, 1123180, 1797088, 2246360, 3594176, 4492720, 8985440, 17970880]

約数ペア:

[(1, 17970880), (2, 8985440), (4, 4492720), (5, 3594176), (8, 2246360), (10, 1797088), (16, 1123180), (20, 898544), (32, 561590), (40, 449272), (64, 280795), (80, 224636), (89, 201920), (160, 112318), (178, 100960), (320, 56159), (356, 50480), (445, 40384), (631, 28480), (712, 25240), (890, 20192), (1262, 14240), (1424, 12620), (1780, 10096), (2524, 7120), (2848, 6310), (3155, 5696), (3560, 5048)]