48815650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:200

約数の個数: 72

約数和(自身を含む): 101092860

約数和(自身を除く): 52277210

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 109, 130, 169, 218, 265, 325, 338, 530, 545, 650, 689, 845, 1090, 1325, 1378, 1417, 1690, 2650, 2725, 2834, 3445, 4225, 5450, 5777, 6890, 7085, 8450, 8957, 11554, 14170, 17225, 17914, 18421, 28885, 34450, 35425, 36842, 44785, 57770, 70850, 75101, 89570, 92105, 144425, 150202, 184210, 223925, 288850, 375505, 447850, 460525, 751010, 921050, 976313, 1877525, 1952626, 3755050, 4881565, 9763130, 24407825, 48815650]

約数ペア:

[(1, 48815650), (2, 24407825), (5, 9763130), (10, 4881565), (13, 3755050), (25, 1952626), (26, 1877525), (50, 976313), (53, 921050), (65, 751010), (106, 460525), (109, 447850), (130, 375505), (169, 288850), (218, 223925), (265, 184210), (325, 150202), (338, 144425), (530, 92105), (545, 89570), (650, 75101), (689, 70850), (845, 57770), (1090, 44785), (1325, 36842), (1378, 35425), (1417, 34450), (1690, 28885), (2650, 18421), (2725, 17914), (2834, 17225), (3445, 14170), (4225, 11554), (5450, 8957), (5777, 8450), (6890, 7085)]