51254710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 104182848

約数和(自身を除く): 52928138

約数列:

[1, 2, 5, 10, 13, 26, 43, 53, 65, 86, 106, 130, 173, 215, 265, 346, 430, 530, 559, 689, 865, 1118, 1378, 1730, 2249, 2279, 2795, 3445, 4498, 4558, 5590, 6890, 7439, 9169, 11245, 11395, 14878, 18338, 22490, 22790, 29627, 37195, 45845, 59254, 74390, 91690, 96707, 119197, 148135, 193414, 238394, 296270, 394267, 483535, 595985, 788534, 967070, 1191970, 1971335, 3942670, 5125471, 10250942, 25627355, 51254710]

約数ペア:

[(1, 51254710), (2, 25627355), (5, 10250942), (10, 5125471), (13, 3942670), (26, 1971335), (43, 1191970), (53, 967070), (65, 788534), (86, 595985), (106, 483535), (130, 394267), (173, 296270), (215, 238394), (265, 193414), (346, 148135), (430, 119197), (530, 96707), (559, 91690), (689, 74390), (865, 59254), (1118, 45845), (1378, 37195), (1730, 29627), (2249, 22790), (2279, 22490), (2795, 18338), (3445, 14878), (4498, 11395), (4558, 11245), (5590, 9169), (6890, 7439)]