39191440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15803}}^1$

素因数の和:15847

約数の個数: 40

約数和(自身を含む): 94065408

約数和(自身を除く): 54873968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 15803, 31606, 63212, 79015, 126424, 158030, 252848, 316060, 489893, 632120, 979786, 1264240, 1959572, 2449465, 3919144, 4898930, 7838288, 9797860, 19595720, 39191440]

約数ペア:

[(1, 39191440), (2, 19595720), (4, 9797860), (5, 7838288), (8, 4898930), (10, 3919144), (16, 2449465), (20, 1959572), (31, 1264240), (40, 979786), (62, 632120), (80, 489893), (124, 316060), (155, 252848), (248, 158030), (310, 126424), (496, 79015), (620, 63212), (1240, 31606), (2480, 15803)]