83648080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^2\times {\mathrm{281}}^1$

素因数の和:416

約数の個数: 60

約数和(自身を含む): 198425916

約数和(自身を除く): 114777836

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 281, 305, 488, 562, 610, 976, 1124, 1220, 1405, 2248, 2440, 2810, 3721, 4496, 4880, 5620, 7442, 11240, 14884, 17141, 18605, 22480, 29768, 34282, 37210, 59536, 68564, 74420, 85705, 137128, 148840, 171410, 274256, 297680, 342820, 685640, 1045601, 1371280, 2091202, 4182404, 5228005, 8364808, 10456010, 16729616, 20912020, 41824040, 83648080]

約数ペア:

[(1, 83648080), (2, 41824040), (4, 20912020), (5, 16729616), (8, 10456010), (10, 8364808), (16, 5228005), (20, 4182404), (40, 2091202), (61, 1371280), (80, 1045601), (122, 685640), (244, 342820), (281, 297680), (305, 274256), (488, 171410), (562, 148840), (610, 137128), (976, 85705), (1124, 74420), (1220, 68564), (1405, 59536), (2248, 37210), (2440, 34282), (2810, 29768), (3721, 22480), (4496, 18605), (4880, 17141), (5620, 14884), (7442, 11240)]