40486000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:707

約数の個数: 80

約数和(自身を含む): 101207808

約数和(自身を除く): 60721808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 653, 775, 1000, 1240, 1306, 1550, 2000, 2480, 2612, 3100, 3265, 3875, 5224, 6200, 6530, 7750, 10448, 12400, 13060, 15500, 16325, 20243, 26120, 31000, 32650, 40486, 52240, 62000, 65300, 80972, 81625, 101215, 130600, 161944, 163250, 202430, 261200, 323888, 326500, 404860, 506075, 653000, 809720, 1012150, 1306000, 1619440, 2024300, 2530375, 4048600, 5060750, 8097200, 10121500, 20243000, 40486000]

約数ペア:

[(1, 40486000), (2, 20243000), (4, 10121500), (5, 8097200), (8, 5060750), (10, 4048600), (16, 2530375), (20, 2024300), (25, 1619440), (31, 1306000), (40, 1012150), (50, 809720), (62, 653000), (80, 506075), (100, 404860), (124, 326500), (125, 323888), (155, 261200), (200, 202430), (248, 163250), (250, 161944), (310, 130600), (400, 101215), (496, 81625), (500, 80972), (620, 65300), (653, 62000), (775, 52240), (1000, 40486), (1240, 32650), (1306, 31000), (1550, 26120), (2000, 20243), (2480, 16325), (2612, 15500), (3100, 13060), (3265, 12400), (3875, 10448), (5224, 7750), (6200, 6530)]