38970100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1025

約数の個数: 72

約数和(自身を含む): 94105088

約数和(自身を除く): 55134988

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 967, 1300, 1550, 1612, 1934, 2015, 3100, 3868, 4030, 4835, 8060, 9670, 10075, 12571, 19340, 20150, 24175, 25142, 29977, 40300, 48350, 50284, 59954, 62855, 96700, 119908, 125710, 149885, 251420, 299770, 314275, 389701, 599540, 628550, 749425, 779402, 1257100, 1498850, 1558804, 1948505, 2997700, 3897010, 7794020, 9742525, 19485050, 38970100]

約数ペア:

[(1, 38970100), (2, 19485050), (4, 9742525), (5, 7794020), (10, 3897010), (13, 2997700), (20, 1948505), (25, 1558804), (26, 1498850), (31, 1257100), (50, 779402), (52, 749425), (62, 628550), (65, 599540), (100, 389701), (124, 314275), (130, 299770), (155, 251420), (260, 149885), (310, 125710), (325, 119908), (403, 96700), (620, 62855), (650, 59954), (775, 50284), (806, 48350), (967, 40300), (1300, 29977), (1550, 25142), (1612, 24175), (1934, 20150), (2015, 19340), (3100, 12571), (3868, 10075), (4030, 9670), (4835, 8060)]