2560462.00000000

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4003}}^1$

素因数の和:4059

約数の個数: 48

約数和(自身を含む): 63567504

約数和(自身を除く): 37307824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 4003, 6560, 8006, 16012, 20015, 32024, 40030, 64048, 80060, 128096, 160120, 164123, 320240, 328246, 640480, 656492, 820615, 1312984, 1641230, 2625968, 3282460, 5251936, 6564920, 13129840, 26259680]

約数ペア:

[(1, 26259680), (2, 13129840), (4, 6564920), (5, 5251936), (8, 3282460), (10, 2625968), (16, 1641230), (20, 1312984), (32, 820615), (40, 656492), (41, 640480), (80, 328246), (82, 320240), (160, 164123), (164, 160120), (205, 128096), (328, 80060), (410, 64048), (656, 40030), (820, 32024), (1312, 20015), (1640, 16012), (3280, 8006), (4003, 6560)]