4606551640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{60901}}^1$

素因数の和:61004

約数の個数: 64

約数和(自身を含む): 10874661120

約数和(自身を除く): 6268109480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 3782, 7564, 9455, 15128, 18910, 37820, 60901, 75640, 121802, 243604, 304505, 487208, 609010, 1218020, 1887931, 2436040, 3714961, 3775862, 7429922, 7551724, 9439655, 14859844, 15103448, 18574805, 18879310, 29719688, 37149610, 37758620, 74299220, 75517240, 115163791, 148598440, 230327582, 460655164, 575818955, 921310328, 1151637910, 2303275820, 4606551640]

約数ペア:

[(1, 4606551640), (2, 2303275820), (4, 1151637910), (5, 921310328), (8, 575818955), (10, 460655164), (20, 230327582), (31, 148598440), (40, 115163791), (61, 75517240), (62, 74299220), (122, 37758620), (124, 37149610), (155, 29719688), (244, 18879310), (248, 18574805), (305, 15103448), (310, 14859844), (488, 9439655), (610, 7551724), (620, 7429922), (1220, 3775862), (1240, 3714961), (1891, 2436040), (2440, 1887931), (3782, 1218020), (7564, 609010), (9455, 487208), (15128, 304505), (18910, 243604), (37820, 121802), (60901, 75640)]