261036301720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1\times {\mathrm{192091}}^1$

素因数の和:192796

約数の個数: 64

約数和(自身を含む): 599350091040

約数和(自身を除く): 338313789320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 641, 1060, 1282, 2120, 2564, 3205, 5128, 6410, 12820, 25640, 33973, 67946, 135892, 169865, 192091, 271784, 339730, 384182, 679460, 768364, 960455, 1358920, 1536728, 1920910, 3841820, 7683640, 10180823, 20361646, 40723292, 50904115, 81446584, 101808230, 123130331, 203616460, 246260662, 407232920, 492521324, 615651655, 985042648, 1231303310, 2462606620, 4925213240, 6525907543, 13051815086, 26103630172, 32629537715, 52207260344, 65259075430, 130518150860, 261036301720]

約数ペア:

[(1, 261036301720), (2, 130518150860), (4, 65259075430), (5, 52207260344), (8, 32629537715), (10, 26103630172), (20, 13051815086), (40, 6525907543), (53, 4925213240), (106, 2462606620), (212, 1231303310), (265, 985042648), (424, 615651655), (530, 492521324), (641, 407232920), (1060, 246260662), (1282, 203616460), (2120, 123130331), (2564, 101808230), (3205, 81446584), (5128, 50904115), (6410, 40723292), (12820, 20361646), (25640, 10180823), (33973, 7683640), (67946, 3841820), (135892, 1920910), (169865, 1536728), (192091, 1358920), (271784, 960455), (339730, 768364), (384182, 679460)]