16457320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 40875840

約数和(自身を除く): 24418520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 331, 440, 452, 565, 662, 904, 1130, 1243, 1324, 1655, 2260, 2486, 2648, 3310, 3641, 4520, 4972, 6215, 6620, 7282, 9944, 12430, 13240, 14564, 18205, 24860, 29128, 36410, 37403, 49720, 72820, 74806, 145640, 149612, 187015, 299224, 374030, 411433, 748060, 822866, 1496120, 1645732, 2057165, 3291464, 4114330, 8228660, 16457320]

約数ペア:

[(1, 16457320), (2, 8228660), (4, 4114330), (5, 3291464), (8, 2057165), (10, 1645732), (11, 1496120), (20, 822866), (22, 748060), (40, 411433), (44, 374030), (55, 299224), (88, 187015), (110, 149612), (113, 145640), (220, 74806), (226, 72820), (331, 49720), (440, 37403), (452, 36410), (565, 29128), (662, 24860), (904, 18205), (1130, 14564), (1243, 13240), (1324, 12430), (1655, 9944), (2260, 7282), (2486, 6620), (2648, 6215), (3310, 4972), (3641, 4520)]