139880960

素因数分解:

$2^9\times 5^1\times {\mathrm{101}}^1\times {\mathrm{541}}^1$

素因数の和:665

約数の個数: 80

約数和(自身を含む): 339333192

約数和(自身を除く): 199452232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 404, 505, 512, 541, 640, 808, 1010, 1082, 1280, 1616, 2020, 2164, 2560, 2705, 3232, 4040, 4328, 5410, 6464, 8080, 8656, 10820, 12928, 16160, 17312, 21640, 25856, 32320, 34624, 43280, 51712, 54641, 64640, 69248, 86560, 109282, 129280, 138496, 173120, 218564, 258560, 273205, 276992, 346240, 437128, 546410, 692480, 874256, 1092820, 1384960, 1748512, 2185640, 3497024, 4371280, 6994048, 8742560, 13988096, 17485120, 27976192, 34970240, 69940480, 139880960]

約数ペア:

[(1, 139880960), (2, 69940480), (4, 34970240), (5, 27976192), (8, 17485120), (10, 13988096), (16, 8742560), (20, 6994048), (32, 4371280), (40, 3497024), (64, 2185640), (80, 1748512), (101, 1384960), (128, 1092820), (160, 874256), (202, 692480), (256, 546410), (320, 437128), (404, 346240), (505, 276992), (512, 273205), (541, 258560), (640, 218564), (808, 173120), (1010, 138496), (1082, 129280), (1280, 109282), (1616, 86560), (2020, 69248), (2164, 64640), (2560, 54641), (2705, 51712), (3232, 43280), (4040, 34624), (4328, 32320), (5410, 25856), (6464, 21640), (8080, 17312), (8656, 16160), (10820, 12928)]