90340000

素因数分解:

$2^5\times 5^4\times {\mathrm{4517}}^1$

素因数の和:4547

約数の個数: 60

約数和(自身を含む): 222299154

約数和(自身を除く): 131959154

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 4000, 4517, 5000, 9034, 10000, 18068, 20000, 22585, 36136, 45170, 72272, 90340, 112925, 144544, 180680, 225850, 361360, 451700, 564625, 722720, 903400, 1129250, 1806800, 2258500, 2823125, 3613600, 4517000, 5646250, 9034000, 11292500, 18068000, 22585000, 45170000, 90340000]

約数ペア:

[(1, 90340000), (2, 45170000), (4, 22585000), (5, 18068000), (8, 11292500), (10, 9034000), (16, 5646250), (20, 4517000), (25, 3613600), (32, 2823125), (40, 2258500), (50, 1806800), (80, 1129250), (100, 903400), (125, 722720), (160, 564625), (200, 451700), (250, 361360), (400, 225850), (500, 180680), (625, 144544), (800, 112925), (1000, 90340), (1250, 72272), (2000, 45170), (2500, 36136), (4000, 22585), (4517, 20000), (5000, 18068), (9034, 10000)]