127519640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{8831}}^1$

素因数の和:8880

約数の個数: 48

約数和(自身を含む): 302849280

約数和(自身を除く): 175329640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 8831, 14440, 17662, 35324, 44155, 70648, 88310, 167789, 176620, 335578, 353240, 671156, 838945, 1342312, 1677890, 3187991, 3355780, 6375982, 6711560, 12751964, 15939955, 25503928, 31879910, 63759820, 127519640]

約数ペア:

[(1, 127519640), (2, 63759820), (4, 31879910), (5, 25503928), (8, 15939955), (10, 12751964), (19, 6711560), (20, 6375982), (38, 3355780), (40, 3187991), (76, 1677890), (95, 1342312), (152, 838945), (190, 671156), (361, 353240), (380, 335578), (722, 176620), (760, 167789), (1444, 88310), (1805, 70648), (2888, 44155), (3610, 35324), (7220, 17662), (8831, 14440)]