16980560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 41997312

約数和(自身を除く): 25016752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 167, 205, 248, 310, 328, 334, 410, 496, 620, 656, 668, 820, 835, 1240, 1271, 1336, 1640, 1670, 2480, 2542, 2672, 3280, 3340, 5084, 5177, 6355, 6680, 6847, 10168, 10354, 12710, 13360, 13694, 20336, 20708, 25420, 25885, 27388, 34235, 41416, 50840, 51770, 54776, 68470, 82832, 101680, 103540, 109552, 136940, 207080, 212257, 273880, 414160, 424514, 547760, 849028, 1061285, 1698056, 2122570, 3396112, 4245140, 8490280, 16980560]

約数ペア:

[(1, 16980560), (2, 8490280), (4, 4245140), (5, 3396112), (8, 2122570), (10, 1698056), (16, 1061285), (20, 849028), (31, 547760), (40, 424514), (41, 414160), (62, 273880), (80, 212257), (82, 207080), (124, 136940), (155, 109552), (164, 103540), (167, 101680), (205, 82832), (248, 68470), (310, 54776), (328, 51770), (334, 50840), (410, 41416), (496, 34235), (620, 27388), (656, 25885), (668, 25420), (820, 20708), (835, 20336), (1240, 13694), (1271, 13360), (1336, 12710), (1640, 10354), (1670, 10168), (2480, 6847), (2542, 6680), (2672, 6355), (3280, 5177), (3340, 5084)]