16855280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:898

約数の個数: 80

約数和(自身を含む): 44476320

約数和(自身を除く): 27621040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 853, 988, 1040, 1235, 1520, 1706, 1976, 2470, 3412, 3952, 4265, 4940, 6824, 8530, 9880, 11089, 13648, 16207, 17060, 19760, 22178, 32414, 34120, 44356, 55445, 64828, 68240, 81035, 88712, 110890, 129656, 162070, 177424, 210691, 221780, 259312, 324140, 421382, 443560, 648280, 842764, 887120, 1053455, 1296560, 1685528, 2106910, 3371056, 4213820, 8427640, 16855280]

約数ペア:

[(1, 16855280), (2, 8427640), (4, 4213820), (5, 3371056), (8, 2106910), (10, 1685528), (13, 1296560), (16, 1053455), (19, 887120), (20, 842764), (26, 648280), (38, 443560), (40, 421382), (52, 324140), (65, 259312), (76, 221780), (80, 210691), (95, 177424), (104, 162070), (130, 129656), (152, 110890), (190, 88712), (208, 81035), (247, 68240), (260, 64828), (304, 55445), (380, 44356), (494, 34120), (520, 32414), (760, 22178), (853, 19760), (988, 17060), (1040, 16207), (1235, 13648), (1520, 11089), (1706, 9880), (1976, 8530), (2470, 6824), (3412, 4940), (3952, 4265)]