98867680

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{643}}^1$

素因数の和:720

約数の個数: 72

約数和(自身を含む): 241727976

約数和(自身を除く): 142860296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 643, 961, 992, 1240, 1286, 1922, 2480, 2572, 3215, 3844, 4805, 4960, 5144, 6430, 7688, 9610, 10288, 12860, 15376, 19220, 19933, 20576, 25720, 30752, 38440, 39866, 51440, 76880, 79732, 99665, 102880, 153760, 159464, 199330, 318928, 398660, 617923, 637856, 797320, 1235846, 1594640, 2471692, 3089615, 3189280, 4943384, 6179230, 9886768, 12358460, 19773536, 24716920, 49433840, 98867680]

約数ペア:

[(1, 98867680), (2, 49433840), (4, 24716920), (5, 19773536), (8, 12358460), (10, 9886768), (16, 6179230), (20, 4943384), (31, 3189280), (32, 3089615), (40, 2471692), (62, 1594640), (80, 1235846), (124, 797320), (155, 637856), (160, 617923), (248, 398660), (310, 318928), (496, 199330), (620, 159464), (643, 153760), (961, 102880), (992, 99665), (1240, 79732), (1286, 76880), (1922, 51440), (2480, 39866), (2572, 38440), (3215, 30752), (3844, 25720), (4805, 20576), (4960, 19933), (5144, 19220), (6430, 15376), (7688, 12860), (9610, 10288)]