1969930880

素因数分解:

$2^7\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{1913}}^1$

素因数の和:3541

約数の個数: 64

約数和(自身を含む): 4714756200

約数和(自身を除く): 2744825320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1609, 1913, 3218, 3826, 6436, 7652, 8045, 9565, 12872, 15304, 16090, 19130, 25744, 30608, 32180, 38260, 51488, 61216, 64360, 76520, 102976, 122432, 128720, 153040, 205952, 244864, 257440, 306080, 514880, 612160, 1029760, 1224320, 3078017, 6156034, 12312068, 15390085, 24624136, 30780170, 49248272, 61560340, 98496544, 123120680, 196993088, 246241360, 393986176, 492482720, 984965440, 1969930880]

約数ペア:

[(1, 1969930880), (2, 984965440), (4, 492482720), (5, 393986176), (8, 246241360), (10, 196993088), (16, 123120680), (20, 98496544), (32, 61560340), (40, 49248272), (64, 30780170), (80, 24624136), (128, 15390085), (160, 12312068), (320, 6156034), (640, 3078017), (1609, 1224320), (1913, 1029760), (3218, 612160), (3826, 514880), (6436, 306080), (7652, 257440), (8045, 244864), (9565, 205952), (12872, 153040), (15304, 128720), (16090, 122432), (19130, 102976), (25744, 76520), (30608, 64360), (32180, 61216), (38260, 51488)]