127372180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15803}}^1$

素因数の和:15856

約数の個数: 48

約数和(自身を含む): 297368064

約数和(自身を除く): 169995884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 15803, 31606, 63212, 79015, 158030, 205439, 316060, 410878, 489893, 821756, 979786, 1027195, 1959572, 2054390, 2449465, 4108780, 4898930, 6368609, 9797860, 12737218, 25474436, 31843045, 63686090, 127372180]

約数ペア:

[(1, 127372180), (2, 63686090), (4, 31843045), (5, 25474436), (10, 12737218), (13, 9797860), (20, 6368609), (26, 4898930), (31, 4108780), (52, 2449465), (62, 2054390), (65, 1959572), (124, 1027195), (130, 979786), (155, 821756), (260, 489893), (310, 410878), (403, 316060), (620, 205439), (806, 158030), (1612, 79015), (2015, 63212), (4030, 31606), (8060, 15803)]