2080492000

素因数分解:

$2^5\times 5^3\times {\mathrm{520123}}^1$

素因数の和:520148

約数の個数: 48

約数和(自身を含む): 5111778672

約数和(自身を除く): 3031286672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 520123, 1040246, 2080492, 2600615, 4160984, 5201230, 8321968, 10402460, 13003075, 16643936, 20804920, 26006150, 41609840, 52012300, 65015375, 83219680, 104024600, 130030750, 208049200, 260061500, 416098400, 520123000, 1040246000, 2080492000]

約数ペア:

[(1, 2080492000), (2, 1040246000), (4, 520123000), (5, 416098400), (8, 260061500), (10, 208049200), (16, 130030750), (20, 104024600), (25, 83219680), (32, 65015375), (40, 52012300), (50, 41609840), (80, 26006150), (100, 20804920), (125, 16643936), (160, 13003075), (200, 10402460), (250, 8321968), (400, 5201230), (500, 4160984), (800, 2600615), (1000, 2080492), (2000, 1040246), (4000, 520123)]