80031200

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1409}}^1$

素因数の和:1500

約数の個数: 72

約数和(自身を含む): 198268560

約数和(自身を除く): 118237360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 568, 710, 800, 1136, 1409, 1420, 1775, 2272, 2818, 2840, 3550, 5636, 5680, 7045, 7100, 11272, 11360, 14090, 14200, 22544, 28180, 28400, 35225, 45088, 56360, 56800, 70450, 100039, 112720, 140900, 200078, 225440, 281800, 400156, 500195, 563600, 800312, 1000390, 1127200, 1600624, 2000780, 2500975, 3201248, 4001560, 5001950, 8003120, 10003900, 16006240, 20007800, 40015600, 80031200]

約数ペア:

[(1, 80031200), (2, 40015600), (4, 20007800), (5, 16006240), (8, 10003900), (10, 8003120), (16, 5001950), (20, 4001560), (25, 3201248), (32, 2500975), (40, 2000780), (50, 1600624), (71, 1127200), (80, 1000390), (100, 800312), (142, 563600), (160, 500195), (200, 400156), (284, 281800), (355, 225440), (400, 200078), (568, 140900), (710, 112720), (800, 100039), (1136, 70450), (1409, 56800), (1420, 56360), (1775, 45088), (2272, 35225), (2818, 28400), (2840, 28180), (3550, 22544), (5636, 14200), (5680, 14090), (7045, 11360), (7100, 11272)]