42840980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23539}}^1$

素因数の和:23568

約数の個数: 48

約数和(自身を含む): 110732160

約数和(自身を除く): 67891180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 23539, 47078, 94156, 117695, 164773, 235390, 306007, 329546, 470780, 612014, 659092, 823865, 1224028, 1530035, 1647730, 2142049, 3060070, 3295460, 4284098, 6120140, 8568196, 10710245, 21420490, 42840980]

約数ペア:

[(1, 42840980), (2, 21420490), (4, 10710245), (5, 8568196), (7, 6120140), (10, 4284098), (13, 3295460), (14, 3060070), (20, 2142049), (26, 1647730), (28, 1530035), (35, 1224028), (52, 823865), (65, 659092), (70, 612014), (91, 470780), (130, 329546), (140, 306007), (182, 235390), (260, 164773), (364, 117695), (455, 94156), (910, 47078), (1820, 23539)]