40002400

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1613}}^1$

素因数の和:1664

約数の個数: 72

約数和(自身を含む): 100868544

約数和(自身を除く): 60866144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 992, 1240, 1550, 1613, 2480, 3100, 3226, 4960, 6200, 6452, 8065, 12400, 12904, 16130, 24800, 25808, 32260, 40325, 50003, 51616, 64520, 80650, 100006, 129040, 161300, 200012, 250015, 258080, 322600, 400024, 500030, 645200, 800048, 1000060, 1250075, 1290400, 1600096, 2000120, 2500150, 4000240, 5000300, 8000480, 10000600, 20001200, 40002400]

約数ペア:

[(1, 40002400), (2, 20001200), (4, 10000600), (5, 8000480), (8, 5000300), (10, 4000240), (16, 2500150), (20, 2000120), (25, 1600096), (31, 1290400), (32, 1250075), (40, 1000060), (50, 800048), (62, 645200), (80, 500030), (100, 400024), (124, 322600), (155, 258080), (160, 250015), (200, 200012), (248, 161300), (310, 129040), (400, 100006), (496, 80650), (620, 64520), (775, 51616), (800, 50003), (992, 40325), (1240, 32260), (1550, 25808), (1613, 24800), (2480, 16130), (3100, 12904), (3226, 12400), (4960, 8065), (6200, 6452)]