201530320

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{11939}}^1$

素因数の和:12163

約数の個数: 40

約数和(自身を含む): 470818080

約数和(自身を除く): 269287760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440, 11939, 16880, 23878, 47756, 59695, 95512, 119390, 191024, 238780, 477560, 955120, 2519129, 5038258, 10076516, 12595645, 20153032, 25191290, 40306064, 50382580, 100765160, 201530320]

約数ペア:

[(1, 201530320), (2, 100765160), (4, 50382580), (5, 40306064), (8, 25191290), (10, 20153032), (16, 12595645), (20, 10076516), (40, 5038258), (80, 2519129), (211, 955120), (422, 477560), (844, 238780), (1055, 191024), (1688, 119390), (2110, 95512), (3376, 59695), (4220, 47756), (8440, 23878), (11939, 16880)]