81826250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^2\times {\mathrm{541}}^1$

素因数の和:585

約数の個数: 60

約数和(自身を含む): 168897498

約数和(自身を除く): 87071248

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 125, 242, 250, 275, 541, 550, 605, 625, 1082, 1210, 1250, 1375, 2705, 2750, 3025, 5410, 5951, 6050, 6875, 11902, 13525, 13750, 15125, 27050, 29755, 30250, 59510, 65461, 67625, 75625, 130922, 135250, 148775, 151250, 297550, 327305, 338125, 654610, 676250, 743875, 1487750, 1636525, 3273050, 3719375, 7438750, 8182625, 16365250, 40913125, 81826250]

約数ペア:

[(1, 81826250), (2, 40913125), (5, 16365250), (10, 8182625), (11, 7438750), (22, 3719375), (25, 3273050), (50, 1636525), (55, 1487750), (110, 743875), (121, 676250), (125, 654610), (242, 338125), (250, 327305), (275, 297550), (541, 151250), (550, 148775), (605, 135250), (625, 130922), (1082, 75625), (1210, 67625), (1250, 65461), (1375, 59510), (2705, 30250), (2750, 29755), (3025, 27050), (5410, 15125), (5951, 13750), (6050, 13525), (6875, 11902)]