26012980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2617}}^1$

素因数の和:2704

約数の個数: 48

約数和(自身を含む): 63334656

約数和(自身を除く): 37321676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 2617, 4970, 5234, 9940, 10468, 13085, 18319, 26170, 36638, 52340, 73276, 91595, 183190, 185807, 366380, 371614, 743228, 929035, 1300649, 1858070, 2601298, 3716140, 5202596, 6503245, 13006490, 26012980]

約数ペア:

[(1, 26012980), (2, 13006490), (4, 6503245), (5, 5202596), (7, 3716140), (10, 2601298), (14, 1858070), (20, 1300649), (28, 929035), (35, 743228), (70, 371614), (71, 366380), (140, 185807), (142, 183190), (284, 91595), (355, 73276), (497, 52340), (710, 36638), (994, 26170), (1420, 18319), (1988, 13085), (2485, 10468), (2617, 9940), (4970, 5234)]