40455350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 81921840

約数和(自身を除く): 41466490

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 109, 130, 218, 325, 545, 571, 650, 1090, 1142, 1417, 2725, 2834, 2855, 5450, 5710, 7085, 7423, 14170, 14275, 14846, 28550, 35425, 37115, 62239, 70850, 74230, 124478, 185575, 311195, 371150, 622390, 809107, 1555975, 1618214, 3111950, 4045535, 8091070, 20227675, 40455350]

約数ペア:

[(1, 40455350), (2, 20227675), (5, 8091070), (10, 4045535), (13, 3111950), (25, 1618214), (26, 1555975), (50, 809107), (65, 622390), (109, 371150), (130, 311195), (218, 185575), (325, 124478), (545, 74230), (571, 70850), (650, 62239), (1090, 37115), (1142, 35425), (1417, 28550), (2725, 14846), (2834, 14275), (2855, 14170), (5450, 7423), (5710, 7085)]