25595320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 61585920

約数和(自身を除く): 35990600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 647, 860, 920, 989, 1294, 1720, 1978, 2588, 3235, 3956, 4945, 5176, 6470, 7912, 9890, 12940, 14881, 19780, 25880, 27821, 29762, 39560, 55642, 59524, 74405, 111284, 119048, 139105, 148810, 222568, 278210, 297620, 556420, 595240, 639883, 1112840, 1279766, 2559532, 3199415, 5119064, 6398830, 12797660, 25595320]

約数ペア:

[(1, 25595320), (2, 12797660), (4, 6398830), (5, 5119064), (8, 3199415), (10, 2559532), (20, 1279766), (23, 1112840), (40, 639883), (43, 595240), (46, 556420), (86, 297620), (92, 278210), (115, 222568), (172, 148810), (184, 139105), (215, 119048), (230, 111284), (344, 74405), (430, 59524), (460, 55642), (647, 39560), (860, 29762), (920, 27821), (989, 25880), (1294, 19780), (1720, 14881), (1978, 12940), (2588, 9890), (3235, 7912), (3956, 6470), (4945, 5176)]