40416250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 80

約数和(自身を含む): 89971200

約数和(自身を除く): 49554950

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 125, 149, 155, 175, 217, 250, 298, 310, 350, 434, 625, 745, 775, 875, 1043, 1085, 1250, 1490, 1550, 1750, 2086, 2170, 3725, 3875, 4375, 4619, 5215, 5425, 7450, 7750, 8750, 9238, 10430, 10850, 18625, 19375, 23095, 26075, 27125, 32333, 37250, 38750, 46190, 52150, 54250, 64666, 93125, 115475, 130375, 135625, 161665, 186250, 230950, 260750, 271250, 323330, 577375, 651875, 808325, 1154750, 1303750, 1616650, 2886875, 4041625, 5773750, 8083250, 20208125, 40416250]

約数ペア:

[(1, 40416250), (2, 20208125), (5, 8083250), (7, 5773750), (10, 4041625), (14, 2886875), (25, 1616650), (31, 1303750), (35, 1154750), (50, 808325), (62, 651875), (70, 577375), (125, 323330), (149, 271250), (155, 260750), (175, 230950), (217, 186250), (250, 161665), (298, 135625), (310, 130375), (350, 115475), (434, 93125), (625, 64666), (745, 54250), (775, 52150), (875, 46190), (1043, 38750), (1085, 37250), (1250, 32333), (1490, 27125), (1550, 26075), (1750, 23095), (2086, 19375), (2170, 18625), (3725, 10850), (3875, 10430), (4375, 9238), (4619, 8750), (5215, 7750), (5425, 7450)]