80346880

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1531}}^1$

素因数の和:1593

約数の個数: 72

約数和(自身を含む): 197278704

約数和(自身を除く): 116931824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 640, 656, 820, 1280, 1312, 1531, 1640, 2624, 3062, 3280, 5248, 6124, 6560, 7655, 10496, 12248, 13120, 15310, 24496, 26240, 30620, 48992, 52480, 61240, 62771, 97984, 122480, 125542, 195968, 244960, 251084, 313855, 391936, 489920, 502168, 627710, 979840, 1004336, 1255420, 1959680, 2008672, 2510840, 4017344, 5021680, 8034688, 10043360, 16069376, 20086720, 40173440, 80346880]

約数ペア:

[(1, 80346880), (2, 40173440), (4, 20086720), (5, 16069376), (8, 10043360), (10, 8034688), (16, 5021680), (20, 4017344), (32, 2510840), (40, 2008672), (41, 1959680), (64, 1255420), (80, 1004336), (82, 979840), (128, 627710), (160, 502168), (164, 489920), (205, 391936), (256, 313855), (320, 251084), (328, 244960), (410, 195968), (640, 125542), (656, 122480), (820, 97984), (1280, 62771), (1312, 61240), (1531, 52480), (1640, 48992), (2624, 30620), (3062, 26240), (3280, 24496), (5248, 15310), (6124, 13120), (6560, 12248), (7655, 10496)]