254981200

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{20563}}^1$

素因数の和:20612

約数の個数: 60

約数和(自身を含む): 632384128

約数和(自身を除く): 377402928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 20563, 41126, 82252, 102815, 164504, 205630, 329008, 411260, 514075, 637453, 822520, 1028150, 1274906, 1645040, 2056300, 2549812, 3187265, 4112600, 5099624, 6374530, 8225200, 10199248, 12749060, 15936325, 25498120, 31872650, 50996240, 63745300, 127490600, 254981200]

約数ペア:

[(1, 254981200), (2, 127490600), (4, 63745300), (5, 50996240), (8, 31872650), (10, 25498120), (16, 15936325), (20, 12749060), (25, 10199248), (31, 8225200), (40, 6374530), (50, 5099624), (62, 4112600), (80, 3187265), (100, 2549812), (124, 2056300), (155, 1645040), (200, 1274906), (248, 1028150), (310, 822520), (400, 637453), (496, 514075), (620, 411260), (775, 329008), (1240, 205630), (1550, 164504), (2480, 102815), (3100, 82252), (6200, 41126), (12400, 20563)]