47968180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^2$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 112433832

約数和(自身を除く): 64465652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 59, 65, 106, 118, 130, 212, 236, 260, 265, 295, 530, 590, 689, 767, 1060, 1180, 1378, 1534, 2756, 3068, 3127, 3445, 3481, 3835, 6254, 6890, 6962, 7670, 12508, 13780, 13924, 15340, 15635, 17405, 31270, 34810, 40651, 45253, 62540, 69620, 81302, 90506, 162604, 181012, 184493, 203255, 226265, 368986, 406510, 452530, 737972, 813020, 905060, 922465, 1844930, 2398409, 3689860, 4796818, 9593636, 11992045, 23984090, 47968180]

約数ペア:

[(1, 47968180), (2, 23984090), (4, 11992045), (5, 9593636), (10, 4796818), (13, 3689860), (20, 2398409), (26, 1844930), (52, 922465), (53, 905060), (59, 813020), (65, 737972), (106, 452530), (118, 406510), (130, 368986), (212, 226265), (236, 203255), (260, 184493), (265, 181012), (295, 162604), (530, 90506), (590, 81302), (689, 69620), (767, 62540), (1060, 45253), (1180, 40651), (1378, 34810), (1534, 31270), (2756, 17405), (3068, 15635), (3127, 15340), (3445, 13924), (3481, 13780), (3835, 12508), (6254, 7670), (6890, 6962)]