78905320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3701}}^1$

素因数の和:3766

約数の個数: 64

約数和(自身を含む): 195909840

約数和(自身を除く): 117004520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 3701, 4264, 5330, 7402, 10660, 14804, 18505, 21320, 29608, 37010, 48113, 74020, 96226, 148040, 151741, 192452, 240565, 303482, 384904, 481130, 606964, 758705, 962260, 1213928, 1517410, 1924520, 1972633, 3034820, 3945266, 6069640, 7890532, 9863165, 15781064, 19726330, 39452660, 78905320]

約数ペア:

[(1, 78905320), (2, 39452660), (4, 19726330), (5, 15781064), (8, 9863165), (10, 7890532), (13, 6069640), (20, 3945266), (26, 3034820), (40, 1972633), (41, 1924520), (52, 1517410), (65, 1213928), (82, 962260), (104, 758705), (130, 606964), (164, 481130), (205, 384904), (260, 303482), (328, 240565), (410, 192452), (520, 151741), (533, 148040), (820, 96226), (1066, 74020), (1640, 48113), (2132, 37010), (2665, 29608), (3701, 21320), (4264, 18505), (5330, 14804), (7402, 10660)]