54340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:52

約数の個数: 48

約数和(自身を含む): 141120

約数和(自身を除く): 86780

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 130, 143, 190, 209, 220, 247, 260, 286, 380, 418, 494, 572, 715, 836, 988, 1045, 1235, 1430, 2090, 2470, 2717, 2860, 4180, 4940, 5434, 10868, 13585, 27170, 54340]

約数ペア:

[(1, 54340), (2, 27170), (4, 13585), (5, 10868), (10, 5434), (11, 4940), (13, 4180), (19, 2860), (20, 2717), (22, 2470), (26, 2090), (38, 1430), (44, 1235), (52, 1045), (55, 988), (65, 836), (76, 715), (95, 572), (110, 494), (130, 418), (143, 380), (190, 286), (209, 260), (220, 247)]