79119440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 193368576

約数和(自身を除く): 114249136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 523, 610, 620, 976, 1046, 1220, 1240, 1891, 2092, 2440, 2480, 2615, 3782, 4184, 4880, 5230, 7564, 8368, 9455, 10460, 15128, 16213, 18910, 20920, 30256, 31903, 32426, 37820, 41840, 63806, 64852, 75640, 81065, 127612, 129704, 151280, 159515, 162130, 255224, 259408, 319030, 324260, 510448, 638060, 648520, 988993, 1276120, 1297040, 1977986, 2552240, 3955972, 4944965, 7911944, 9889930, 15823888, 19779860, 39559720, 79119440]

約数ペア:

[(1, 79119440), (2, 39559720), (4, 19779860), (5, 15823888), (8, 9889930), (10, 7911944), (16, 4944965), (20, 3955972), (31, 2552240), (40, 1977986), (61, 1297040), (62, 1276120), (80, 988993), (122, 648520), (124, 638060), (155, 510448), (244, 324260), (248, 319030), (305, 259408), (310, 255224), (488, 162130), (496, 159515), (523, 151280), (610, 129704), (620, 127612), (976, 81065), (1046, 75640), (1220, 64852), (1240, 63806), (1891, 41840), (2092, 37820), (2440, 32426), (2480, 31903), (2615, 30256), (3782, 20920), (4184, 18910), (4880, 16213), (5230, 15128), (7564, 10460), (8368, 9455)]