39218140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 91678608

約数和(自身を除く): 52460468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 169, 205, 260, 283, 338, 410, 533, 566, 676, 820, 845, 1066, 1132, 1415, 1690, 2132, 2665, 2830, 3380, 3679, 5330, 5660, 6929, 7358, 10660, 11603, 13858, 14716, 18395, 23206, 27716, 34645, 36790, 46412, 47827, 58015, 69290, 73580, 95654, 116030, 138580, 150839, 191308, 232060, 239135, 301678, 478270, 603356, 754195, 956540, 1508390, 1960907, 3016780, 3921814, 7843628, 9804535, 19609070, 39218140]

約数ペア:

[(1, 39218140), (2, 19609070), (4, 9804535), (5, 7843628), (10, 3921814), (13, 3016780), (20, 1960907), (26, 1508390), (41, 956540), (52, 754195), (65, 603356), (82, 478270), (130, 301678), (164, 239135), (169, 232060), (205, 191308), (260, 150839), (283, 138580), (338, 116030), (410, 95654), (533, 73580), (566, 69290), (676, 58015), (820, 47827), (845, 46412), (1066, 36790), (1132, 34645), (1415, 27716), (1690, 23206), (2132, 18395), (2665, 14716), (2830, 13858), (3380, 11603), (3679, 10660), (5330, 7358), (5660, 6929)]