25336520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 62985600

約数和(自身を除く): 37649080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 647, 712, 890, 979, 1294, 1780, 1958, 2588, 3235, 3560, 3916, 4895, 5176, 6470, 7117, 7832, 9790, 12940, 14234, 19580, 25880, 28468, 35585, 39160, 56936, 57583, 71170, 115166, 142340, 230332, 284680, 287915, 460664, 575830, 633413, 1151660, 1266826, 2303320, 2533652, 3167065, 5067304, 6334130, 12668260, 25336520]

約数ペア:

[(1, 25336520), (2, 12668260), (4, 6334130), (5, 5067304), (8, 3167065), (10, 2533652), (11, 2303320), (20, 1266826), (22, 1151660), (40, 633413), (44, 575830), (55, 460664), (88, 287915), (89, 284680), (110, 230332), (178, 142340), (220, 115166), (356, 71170), (440, 57583), (445, 56936), (647, 39160), (712, 35585), (890, 28468), (979, 25880), (1294, 19580), (1780, 14234), (1958, 12940), (2588, 9790), (3235, 7832), (3560, 7117), (3916, 6470), (4895, 5176)]