1664068480

素因数分解:

$2^7\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3167}}^1$

素因数の和:4007

約数の個数: 64

約数和(自身を含む): 3984266880

約数和(自身を除く): 2320198400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 821, 1642, 3167, 3284, 4105, 6334, 6568, 8210, 12668, 13136, 15835, 16420, 25336, 26272, 31670, 32840, 50672, 52544, 63340, 65680, 101344, 105088, 126680, 131360, 202688, 253360, 262720, 405376, 506720, 525440, 1013440, 2026880, 2600107, 5200214, 10400428, 13000535, 20800856, 26001070, 41601712, 52002140, 83203424, 104004280, 166406848, 208008560, 332813696, 416017120, 832034240, 1664068480]

約数ペア:

[(1, 1664068480), (2, 832034240), (4, 416017120), (5, 332813696), (8, 208008560), (10, 166406848), (16, 104004280), (20, 83203424), (32, 52002140), (40, 41601712), (64, 26001070), (80, 20800856), (128, 13000535), (160, 10400428), (320, 5200214), (640, 2600107), (821, 2026880), (1642, 1013440), (3167, 525440), (3284, 506720), (4105, 405376), (6334, 262720), (6568, 253360), (8210, 202688), (12668, 131360), (13136, 126680), (15835, 105088), (16420, 101344), (25336, 65680), (26272, 63340), (31670, 52544), (32840, 50672)]