38969520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{409}}^1$

素因数の和:822

約数の個数: 80

約数和(自身を含む): 121405920

約数和(自身を除く): 82436400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 397, 409, 794, 818, 1191, 1227, 1588, 1636, 1985, 2045, 2382, 2454, 3176, 3272, 3970, 4090, 4764, 4908, 5955, 6135, 6352, 6544, 7940, 8180, 9528, 9816, 11910, 12270, 15880, 16360, 19056, 19632, 23820, 24540, 31760, 32720, 47640, 49080, 95280, 98160, 162373, 324746, 487119, 649492, 811865, 974238, 1298984, 1623730, 1948476, 2435595, 2597968, 3247460, 3896952, 4871190, 6494920, 7793904, 9742380, 12989840, 19484760, 38969520]

約数ペア:

[(1, 38969520), (2, 19484760), (3, 12989840), (4, 9742380), (5, 7793904), (6, 6494920), (8, 4871190), (10, 3896952), (12, 3247460), (15, 2597968), (16, 2435595), (20, 1948476), (24, 1623730), (30, 1298984), (40, 974238), (48, 811865), (60, 649492), (80, 487119), (120, 324746), (240, 162373), (397, 98160), (409, 95280), (794, 49080), (818, 47640), (1191, 32720), (1227, 31760), (1588, 24540), (1636, 23820), (1985, 19632), (2045, 19056), (2382, 16360), (2454, 15880), (3176, 12270), (3272, 11910), (3970, 9816), (4090, 9528), (4764, 8180), (4908, 7940), (5955, 6544), (6135, 6352)]