12129850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 23732856

約数和(自身を除く): 11603006

約数列:

[1, 2, 5, 10, 25, 41, 50, 61, 82, 97, 122, 194, 205, 305, 410, 485, 610, 970, 1025, 1525, 2050, 2425, 2501, 3050, 3977, 4850, 5002, 5917, 7954, 11834, 12505, 19885, 25010, 29585, 39770, 59170, 62525, 99425, 125050, 147925, 198850, 242597, 295850, 485194, 1212985, 2425970, 6064925, 12129850]

約数ペア:

[(1, 12129850), (2, 6064925), (5, 2425970), (10, 1212985), (25, 485194), (41, 295850), (50, 242597), (61, 198850), (82, 147925), (97, 125050), (122, 99425), (194, 62525), (205, 59170), (305, 39770), (410, 29585), (485, 25010), (610, 19885), (970, 12505), (1025, 11834), (1525, 7954), (2050, 5917), (2425, 5002), (2501, 4850), (3050, 3977)]