28545020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4973}}^1$

素因数の和:5030

約数の個数: 48

約数和(自身を含む): 70193088

約数和(自身を除く): 41648068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 4973, 5740, 9946, 19892, 24865, 34811, 49730, 69622, 99460, 139244, 174055, 203893, 348110, 407786, 696220, 815572, 1019465, 1427251, 2038930, 2854502, 4077860, 5709004, 7136255, 14272510, 28545020]

約数ペア:

[(1, 28545020), (2, 14272510), (4, 7136255), (5, 5709004), (7, 4077860), (10, 2854502), (14, 2038930), (20, 1427251), (28, 1019465), (35, 815572), (41, 696220), (70, 407786), (82, 348110), (140, 203893), (164, 174055), (205, 139244), (287, 99460), (410, 69622), (574, 49730), (820, 34811), (1148, 24865), (1435, 19892), (2870, 9946), (4973, 5740)]