1983280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1907}}^1$

素因数の和:1933

約数の個数: 40

約数和(自身を含む): 4968432

約数和(自身を除く): 2985152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1907, 3814, 7628, 9535, 15256, 19070, 24791, 30512, 38140, 49582, 76280, 99164, 123955, 152560, 198328, 247910, 396656, 495820, 991640, 1983280]

約数ペア:

[(1, 1983280), (2, 991640), (4, 495820), (5, 396656), (8, 247910), (10, 198328), (13, 152560), (16, 123955), (20, 99164), (26, 76280), (40, 49582), (52, 38140), (65, 30512), (80, 24791), (104, 19070), (130, 15256), (208, 9535), (260, 7628), (520, 3814), (1040, 1907)]