29957720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1087}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 74027520

約数和(自身を除く): 44069800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1087, 1378, 2120, 2174, 2756, 3445, 4348, 5435, 5512, 6890, 8696, 10870, 13780, 14131, 21740, 27560, 28262, 43480, 56524, 57611, 70655, 113048, 115222, 141310, 230444, 282620, 288055, 460888, 565240, 576110, 748943, 1152220, 1497886, 2304440, 2995772, 3744715, 5991544, 7489430, 14978860, 29957720]

約数ペア:

[(1, 29957720), (2, 14978860), (4, 7489430), (5, 5991544), (8, 3744715), (10, 2995772), (13, 2304440), (20, 1497886), (26, 1152220), (40, 748943), (52, 576110), (53, 565240), (65, 460888), (104, 288055), (106, 282620), (130, 230444), (212, 141310), (260, 115222), (265, 113048), (424, 70655), (520, 57611), (530, 56524), (689, 43480), (1060, 28262), (1087, 27560), (1378, 21740), (2120, 14131), (2174, 13780), (2756, 10870), (3445, 8696), (4348, 6890), (5435, 5512)]