8501740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1721}}^1$

素因数の和:1762

約数の個数: 48

約数和(自身を含む): 20250720

約数和(自身を除く): 11748980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1721, 2470, 3442, 4940, 6884, 8605, 17210, 22373, 32699, 34420, 44746, 65398, 89492, 111865, 130796, 163495, 223730, 326990, 425087, 447460, 653980, 850174, 1700348, 2125435, 4250870, 8501740]

約数ペア:

[(1, 8501740), (2, 4250870), (4, 2125435), (5, 1700348), (10, 850174), (13, 653980), (19, 447460), (20, 425087), (26, 326990), (38, 223730), (52, 163495), (65, 130796), (76, 111865), (95, 89492), (130, 65398), (190, 44746), (247, 34420), (260, 32699), (380, 22373), (494, 17210), (988, 8605), (1235, 6884), (1721, 4940), (2470, 3442)]