87241360

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12253}}^1$

素因数の和:12355

約数の個数: 40

約数和(自身を含む): 205131960

約数和(自身を除く): 117890600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 12253, 24506, 49012, 61265, 98024, 122530, 196048, 245060, 490120, 980240, 1090517, 2181034, 4362068, 5452585, 8724136, 10905170, 17448272, 21810340, 43620680, 87241360]

約数ペア:

[(1, 87241360), (2, 43620680), (4, 21810340), (5, 17448272), (8, 10905170), (10, 8724136), (16, 5452585), (20, 4362068), (40, 2181034), (80, 1090517), (89, 980240), (178, 490120), (356, 245060), (445, 196048), (712, 122530), (890, 98024), (1424, 61265), (1780, 49012), (3560, 24506), (7120, 12253)]