39071720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 91065600

約数和(自身を除く): 51993880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 122, 134, 239, 244, 268, 305, 335, 478, 488, 536, 610, 670, 956, 1195, 1220, 1340, 1912, 2390, 2440, 2680, 4087, 4780, 8174, 9560, 14579, 16013, 16348, 20435, 29158, 32026, 32696, 40870, 58316, 64052, 72895, 80065, 81740, 116632, 128104, 145790, 160130, 163480, 291580, 320260, 583160, 640520, 976793, 1953586, 3907172, 4883965, 7814344, 9767930, 19535860, 39071720]

約数ペア:

[(1, 39071720), (2, 19535860), (4, 9767930), (5, 7814344), (8, 4883965), (10, 3907172), (20, 1953586), (40, 976793), (61, 640520), (67, 583160), (122, 320260), (134, 291580), (239, 163480), (244, 160130), (268, 145790), (305, 128104), (335, 116632), (478, 81740), (488, 80065), (536, 72895), (610, 64052), (670, 58316), (956, 40870), (1195, 32696), (1220, 32026), (1340, 29158), (1912, 20435), (2390, 16348), (2440, 16013), (2680, 14579), (4087, 9560), (4780, 8174)]