26001250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 80

約数和(自身を含む): 55782144

約数和(自身を除く): 29780894

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 61, 62, 110, 122, 125, 155, 250, 275, 305, 310, 341, 550, 610, 625, 671, 682, 775, 1250, 1342, 1375, 1525, 1550, 1705, 1891, 2750, 3050, 3355, 3410, 3782, 3875, 6710, 6875, 7625, 7750, 8525, 9455, 13750, 15250, 16775, 17050, 18910, 19375, 20801, 33550, 38125, 38750, 41602, 42625, 47275, 76250, 83875, 85250, 94550, 104005, 167750, 208010, 213125, 236375, 419375, 426250, 472750, 520025, 838750, 1040050, 1181875, 2363750, 2600125, 5200250, 13000625, 26001250]

約数ペア:

[(1, 26001250), (2, 13000625), (5, 5200250), (10, 2600125), (11, 2363750), (22, 1181875), (25, 1040050), (31, 838750), (50, 520025), (55, 472750), (61, 426250), (62, 419375), (110, 236375), (122, 213125), (125, 208010), (155, 167750), (250, 104005), (275, 94550), (305, 85250), (310, 83875), (341, 76250), (550, 47275), (610, 42625), (625, 41602), (671, 38750), (682, 38125), (775, 33550), (1250, 20801), (1342, 19375), (1375, 18910), (1525, 17050), (1550, 16775), (1705, 15250), (1891, 13750), (2750, 9455), (3050, 8525), (3355, 7750), (3410, 7625), (3782, 6875), (3875, 6710)]