25861160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1213}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 64244880

約数和(自身を除く): 38383720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1213, 1640, 2132, 2426, 2665, 4264, 4852, 5330, 6065, 9704, 10660, 12130, 15769, 21320, 24260, 31538, 48520, 49733, 63076, 78845, 99466, 126152, 157690, 198932, 248665, 315380, 397864, 497330, 630760, 646529, 994660, 1293058, 1989320, 2586116, 3232645, 5172232, 6465290, 12930580, 25861160]

約数ペア:

[(1, 25861160), (2, 12930580), (4, 6465290), (5, 5172232), (8, 3232645), (10, 2586116), (13, 1989320), (20, 1293058), (26, 994660), (40, 646529), (41, 630760), (52, 497330), (65, 397864), (82, 315380), (104, 248665), (130, 198932), (164, 157690), (205, 126152), (260, 99466), (328, 78845), (410, 63076), (520, 49733), (533, 48520), (820, 31538), (1066, 24260), (1213, 21320), (1640, 15769), (2132, 12130), (2426, 10660), (2665, 9704), (4264, 6065), (4852, 5330)]