25335940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 62741952

約数和(自身を除く): 37406012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 251, 412, 490, 502, 515, 721, 980, 1004, 1030, 1255, 1442, 1757, 2060, 2510, 2884, 3514, 3605, 5020, 5047, 7028, 7210, 8785, 10094, 12299, 14420, 17570, 20188, 24598, 25235, 25853, 35140, 49196, 50470, 51706, 61495, 100940, 103412, 122990, 129265, 180971, 245980, 258530, 361942, 517060, 723884, 904855, 1266797, 1809710, 2533594, 3619420, 5067188, 6333985, 12667970, 25335940]

約数ペア:

[(1, 25335940), (2, 12667970), (4, 6333985), (5, 5067188), (7, 3619420), (10, 2533594), (14, 1809710), (20, 1266797), (28, 904855), (35, 723884), (49, 517060), (70, 361942), (98, 258530), (103, 245980), (140, 180971), (196, 129265), (206, 122990), (245, 103412), (251, 100940), (412, 61495), (490, 51706), (502, 50470), (515, 49196), (721, 35140), (980, 25853), (1004, 25235), (1030, 24598), (1255, 20188), (1442, 17570), (1757, 14420), (2060, 12299), (2510, 10094), (2884, 8785), (3514, 7210), (3605, 7028), (5020, 5047)]