26274580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 57834000

約数和(自身を除く): 31559420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 445, 509, 580, 890, 1018, 1780, 2036, 2545, 2581, 5090, 5162, 10180, 10324, 12905, 14761, 25810, 29522, 45301, 51620, 59044, 73805, 90602, 147610, 181204, 226505, 295220, 453010, 906020, 1313729, 2627458, 5254916, 6568645, 13137290, 26274580]

約数ペア:

[(1, 26274580), (2, 13137290), (4, 6568645), (5, 5254916), (10, 2627458), (20, 1313729), (29, 906020), (58, 453010), (89, 295220), (116, 226505), (145, 181204), (178, 147610), (290, 90602), (356, 73805), (445, 59044), (509, 51620), (580, 45301), (890, 29522), (1018, 25810), (1780, 14761), (2036, 12905), (2545, 10324), (2581, 10180), (5090, 5162)]