38690860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11447}}^1$

素因数の和:11482

約数の個数: 36

約数和(自身を含む): 87989328

約数和(自身を除く): 49298468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 11447, 22894, 45788, 57235, 114470, 148811, 228940, 297622, 595244, 744055, 1488110, 1934543, 2976220, 3869086, 7738172, 9672715, 19345430, 38690860]

約数ペア:

[(1, 38690860), (2, 19345430), (4, 9672715), (5, 7738172), (10, 3869086), (13, 2976220), (20, 1934543), (26, 1488110), (52, 744055), (65, 595244), (130, 297622), (169, 228940), (260, 148811), (338, 114470), (676, 57235), (845, 45788), (1690, 22894), (3380, 11447)]