97840000

素因数分解:

$2^7\times 5^4\times {\mathrm{1223}}^1$

素因数の和:1257

約数の個数: 80

約数和(自身を含む): 243765720

約数和(自身を除く): 145925720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1000, 1223, 1250, 1600, 2000, 2446, 2500, 3200, 4000, 4892, 5000, 6115, 8000, 9784, 10000, 12230, 16000, 19568, 20000, 24460, 30575, 39136, 40000, 48920, 61150, 78272, 80000, 97840, 122300, 152875, 156544, 195680, 244600, 305750, 391360, 489200, 611500, 764375, 782720, 978400, 1223000, 1528750, 1956800, 2446000, 3057500, 3913600, 4892000, 6115000, 9784000, 12230000, 19568000, 24460000, 48920000, 97840000]

約数ペア:

[(1, 97840000), (2, 48920000), (4, 24460000), (5, 19568000), (8, 12230000), (10, 9784000), (16, 6115000), (20, 4892000), (25, 3913600), (32, 3057500), (40, 2446000), (50, 1956800), (64, 1528750), (80, 1223000), (100, 978400), (125, 782720), (128, 764375), (160, 611500), (200, 489200), (250, 391360), (320, 305750), (400, 244600), (500, 195680), (625, 156544), (640, 152875), (800, 122300), (1000, 97840), (1223, 80000), (1250, 78272), (1600, 61150), (2000, 48920), (2446, 40000), (2500, 39136), (3200, 30575), (4000, 24460), (4892, 20000), (5000, 19568), (6115, 16000), (8000, 12230), (9784, 10000)]