16327840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 41912640

約数和(自身を除く): 25584800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 76, 80, 82, 95, 131, 152, 160, 164, 190, 205, 262, 304, 328, 380, 410, 524, 608, 655, 656, 760, 779, 820, 1048, 1310, 1312, 1520, 1558, 1640, 2096, 2489, 2620, 3040, 3116, 3280, 3895, 4192, 4978, 5240, 5371, 6232, 6560, 7790, 9956, 10480, 10742, 12445, 12464, 15580, 19912, 20960, 21484, 24890, 24928, 26855, 31160, 39824, 42968, 49780, 53710, 62320, 79648, 85936, 99560, 102049, 107420, 124640, 171872, 199120, 204098, 214840, 398240, 408196, 429680, 510245, 816392, 859360, 1020490, 1632784, 2040980, 3265568, 4081960, 8163920, 16327840]

約数ペア:

[(1, 16327840), (2, 8163920), (4, 4081960), (5, 3265568), (8, 2040980), (10, 1632784), (16, 1020490), (19, 859360), (20, 816392), (32, 510245), (38, 429680), (40, 408196), (41, 398240), (76, 214840), (80, 204098), (82, 199120), (95, 171872), (131, 124640), (152, 107420), (160, 102049), (164, 99560), (190, 85936), (205, 79648), (262, 62320), (304, 53710), (328, 49780), (380, 42968), (410, 39824), (524, 31160), (608, 26855), (655, 24928), (656, 24890), (760, 21484), (779, 20960), (820, 19912), (1048, 15580), (1310, 12464), (1312, 12445), (1520, 10742), (1558, 10480), (1640, 9956), (2096, 7790), (2489, 6560), (2620, 6232), (3040, 5371), (3116, 5240), (3280, 4978), (3895, 4192)]