26251540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 67737600

約数和(自身を除く): 41486060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 71, 76, 95, 133, 139, 140, 142, 190, 266, 278, 284, 355, 380, 497, 532, 556, 665, 695, 710, 973, 994, 1330, 1349, 1390, 1420, 1946, 1988, 2485, 2641, 2660, 2698, 2780, 3892, 4865, 4970, 5282, 5396, 6745, 9443, 9730, 9869, 9940, 10564, 13205, 13490, 18487, 18886, 19460, 19738, 26410, 26980, 36974, 37772, 39476, 47215, 49345, 52820, 69083, 73948, 92435, 94430, 98690, 138166, 184870, 187511, 188860, 197380, 276332, 345415, 369740, 375022, 690830, 750044, 937555, 1312577, 1381660, 1875110, 2625154, 3750220, 5250308, 6562885, 13125770, 26251540]

約数ペア:

[(1, 26251540), (2, 13125770), (4, 6562885), (5, 5250308), (7, 3750220), (10, 2625154), (14, 1875110), (19, 1381660), (20, 1312577), (28, 937555), (35, 750044), (38, 690830), (70, 375022), (71, 369740), (76, 345415), (95, 276332), (133, 197380), (139, 188860), (140, 187511), (142, 184870), (190, 138166), (266, 98690), (278, 94430), (284, 92435), (355, 73948), (380, 69083), (497, 52820), (532, 49345), (556, 47215), (665, 39476), (695, 37772), (710, 36974), (973, 26980), (994, 26410), (1330, 19738), (1349, 19460), (1390, 18886), (1420, 18487), (1946, 13490), (1988, 13205), (2485, 10564), (2641, 9940), (2660, 9869), (2698, 9730), (2780, 9443), (3892, 6745), (4865, 5396), (4970, 5282)]