51566320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:482

約数の個数: 80

約数和(自身を含む): 130304160

約数和(自身を除く): 78737840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 179, 208, 260, 277, 358, 520, 554, 716, 895, 1040, 1108, 1385, 1432, 1790, 2216, 2327, 2770, 2864, 3580, 3601, 4432, 4654, 5540, 7160, 7202, 9308, 11080, 11635, 14320, 14404, 18005, 18616, 22160, 23270, 28808, 36010, 37232, 46540, 49583, 57616, 72020, 93080, 99166, 144040, 186160, 198332, 247915, 288080, 396664, 495830, 644579, 793328, 991660, 1289158, 1983320, 2578316, 3222895, 3966640, 5156632, 6445790, 10313264, 12891580, 25783160, 51566320]

約数ペア:

[(1, 51566320), (2, 25783160), (4, 12891580), (5, 10313264), (8, 6445790), (10, 5156632), (13, 3966640), (16, 3222895), (20, 2578316), (26, 1983320), (40, 1289158), (52, 991660), (65, 793328), (80, 644579), (104, 495830), (130, 396664), (179, 288080), (208, 247915), (260, 198332), (277, 186160), (358, 144040), (520, 99166), (554, 93080), (716, 72020), (895, 57616), (1040, 49583), (1108, 46540), (1385, 37232), (1432, 36010), (1790, 28808), (2216, 23270), (2327, 22160), (2770, 18616), (2864, 18005), (3580, 14404), (3601, 14320), (4432, 11635), (4654, 11080), (5540, 9308), (7160, 7202)]