16646480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 41247360

約数和(自身を除く): 24600880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 83, 92, 109, 115, 166, 184, 218, 230, 332, 368, 415, 436, 460, 545, 664, 830, 872, 920, 1090, 1328, 1660, 1744, 1840, 1909, 2180, 2507, 3320, 3818, 4360, 5014, 6640, 7636, 8720, 9047, 9545, 10028, 12535, 15272, 18094, 19090, 20056, 25070, 30544, 36188, 38180, 40112, 45235, 50140, 72376, 76360, 90470, 100280, 144752, 152720, 180940, 200560, 208081, 361880, 416162, 723760, 832324, 1040405, 1664648, 2080810, 3329296, 4161620, 8323240, 16646480]

約数ペア:

[(1, 16646480), (2, 8323240), (4, 4161620), (5, 3329296), (8, 2080810), (10, 1664648), (16, 1040405), (20, 832324), (23, 723760), (40, 416162), (46, 361880), (80, 208081), (83, 200560), (92, 180940), (109, 152720), (115, 144752), (166, 100280), (184, 90470), (218, 76360), (230, 72376), (332, 50140), (368, 45235), (415, 40112), (436, 38180), (460, 36188), (545, 30544), (664, 25070), (830, 20056), (872, 19090), (920, 18094), (1090, 15272), (1328, 12535), (1660, 10028), (1744, 9545), (1840, 9047), (1909, 8720), (2180, 7636), (2507, 6640), (3320, 5014), (3818, 4360)]