38480780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{67}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 90243888

約数和(自身を除く): 51763108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 67, 94, 130, 134, 188, 235, 260, 268, 335, 470, 611, 670, 871, 940, 1222, 1340, 1742, 2209, 2444, 3055, 3149, 3484, 4355, 4418, 6110, 6298, 8710, 8836, 11045, 12220, 12596, 15745, 17420, 22090, 28717, 31490, 40937, 44180, 57434, 62980, 81874, 114868, 143585, 148003, 163748, 204685, 287170, 296006, 409370, 574340, 592012, 740015, 818740, 1480030, 1924039, 2960060, 3848078, 7696156, 9620195, 19240390, 38480780]

約数ペア:

[(1, 38480780), (2, 19240390), (4, 9620195), (5, 7696156), (10, 3848078), (13, 2960060), (20, 1924039), (26, 1480030), (47, 818740), (52, 740015), (65, 592012), (67, 574340), (94, 409370), (130, 296006), (134, 287170), (188, 204685), (235, 163748), (260, 148003), (268, 143585), (335, 114868), (470, 81874), (611, 62980), (670, 57434), (871, 44180), (940, 40937), (1222, 31490), (1340, 28717), (1742, 22090), (2209, 17420), (2444, 15745), (3055, 12596), (3149, 12220), (3484, 11045), (4355, 8836), (4418, 8710), (6110, 6298)]