39962780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 100336320

約数和(自身を除く): 60373540

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 89, 110, 130, 143, 157, 178, 220, 260, 286, 314, 356, 445, 572, 628, 715, 785, 890, 979, 1157, 1430, 1570, 1727, 1780, 1958, 2041, 2314, 2860, 3140, 3454, 3916, 4082, 4628, 4895, 5785, 6908, 8164, 8635, 9790, 10205, 11570, 12727, 13973, 17270, 19580, 20410, 22451, 23140, 25454, 27946, 34540, 40820, 44902, 50908, 55892, 63635, 69865, 89804, 112255, 127270, 139730, 153703, 181649, 224510, 254540, 279460, 307406, 363298, 449020, 614812, 726596, 768515, 908245, 1537030, 1816490, 1998139, 3074060, 3632980, 3996278, 7992556, 9990695, 19981390, 39962780]

約数ペア:

[(1, 39962780), (2, 19981390), (4, 9990695), (5, 7992556), (10, 3996278), (11, 3632980), (13, 3074060), (20, 1998139), (22, 1816490), (26, 1537030), (44, 908245), (52, 768515), (55, 726596), (65, 614812), (89, 449020), (110, 363298), (130, 307406), (143, 279460), (157, 254540), (178, 224510), (220, 181649), (260, 153703), (286, 139730), (314, 127270), (356, 112255), (445, 89804), (572, 69865), (628, 63635), (715, 55892), (785, 50908), (890, 44902), (979, 40820), (1157, 34540), (1430, 27946), (1570, 25454), (1727, 23140), (1780, 22451), (1958, 20410), (2041, 19580), (2314, 17270), (2860, 13973), (3140, 12727), (3454, 11570), (3916, 10205), (4082, 9790), (4628, 8635), (4895, 8164), (5785, 6908)]