25288240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 62853120

約数和(自身を除く): 37564880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 127, 131, 152, 190, 254, 262, 304, 380, 508, 524, 635, 655, 760, 1016, 1048, 1270, 1310, 1520, 2032, 2096, 2413, 2489, 2540, 2620, 4826, 4978, 5080, 5240, 9652, 9956, 10160, 10480, 12065, 12445, 16637, 19304, 19912, 24130, 24890, 33274, 38608, 39824, 48260, 49780, 66548, 83185, 96520, 99560, 133096, 166370, 193040, 199120, 266192, 316103, 332740, 632206, 665480, 1264412, 1330960, 1580515, 2528824, 3161030, 5057648, 6322060, 12644120, 25288240]

約数ペア:

[(1, 25288240), (2, 12644120), (4, 6322060), (5, 5057648), (8, 3161030), (10, 2528824), (16, 1580515), (19, 1330960), (20, 1264412), (38, 665480), (40, 632206), (76, 332740), (80, 316103), (95, 266192), (127, 199120), (131, 193040), (152, 166370), (190, 133096), (254, 99560), (262, 96520), (304, 83185), (380, 66548), (508, 49780), (524, 48260), (635, 39824), (655, 38608), (760, 33274), (1016, 24890), (1048, 24130), (1270, 19912), (1310, 19304), (1520, 16637), (2032, 12445), (2096, 12065), (2413, 10480), (2489, 10160), (2540, 9956), (2620, 9652), (4826, 5240), (4978, 5080)]