38688520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1583}}^1$

素因数の和:1654

約数の個数: 64

約数和(自身を含む): 95800320

約数和(自身を除く): 57111800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1583, 1880, 2444, 3055, 3166, 4888, 6110, 6332, 7915, 12220, 12664, 15830, 20579, 24440, 31660, 41158, 63320, 74401, 82316, 102895, 148802, 164632, 205790, 297604, 372005, 411580, 595208, 744010, 823160, 967213, 1488020, 1934426, 2976040, 3868852, 4836065, 7737704, 9672130, 19344260, 38688520]

約数ペア:

[(1, 38688520), (2, 19344260), (4, 9672130), (5, 7737704), (8, 4836065), (10, 3868852), (13, 2976040), (20, 1934426), (26, 1488020), (40, 967213), (47, 823160), (52, 744010), (65, 595208), (94, 411580), (104, 372005), (130, 297604), (188, 205790), (235, 164632), (260, 148802), (376, 102895), (470, 82316), (520, 74401), (611, 63320), (940, 41158), (1222, 31660), (1583, 24440), (1880, 20579), (2444, 15830), (3055, 12664), (3166, 12220), (4888, 7915), (6110, 6332)]