16406560

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 40380228

約数和(自身を除く): 23973668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 61, 80, 82, 122, 160, 164, 205, 244, 305, 328, 410, 488, 610, 656, 820, 976, 1220, 1312, 1640, 1681, 1952, 2440, 2501, 3280, 3362, 4880, 5002, 6560, 6724, 8405, 9760, 10004, 12505, 13448, 16810, 20008, 25010, 26896, 33620, 40016, 50020, 53792, 67240, 80032, 100040, 102541, 134480, 200080, 205082, 268960, 400160, 410164, 512705, 820328, 1025410, 1640656, 2050820, 3281312, 4101640, 8203280, 16406560]

約数ペア:

[(1, 16406560), (2, 8203280), (4, 4101640), (5, 3281312), (8, 2050820), (10, 1640656), (16, 1025410), (20, 820328), (32, 512705), (40, 410164), (41, 400160), (61, 268960), (80, 205082), (82, 200080), (122, 134480), (160, 102541), (164, 100040), (205, 80032), (244, 67240), (305, 53792), (328, 50020), (410, 40016), (488, 33620), (610, 26896), (656, 25010), (820, 20008), (976, 16810), (1220, 13448), (1312, 12505), (1640, 10004), (1681, 9760), (1952, 8405), (2440, 6724), (2501, 6560), (3280, 5002), (3362, 4880)]