1390955920000

素因数分解:

$2^7\times 5^4\times {\mathrm{17386949}}^1$

素因数の和:17386983

約数の個数: 80

約数和(自身を含む): 3462698027250

約数和(自身を除く): 2071742107250

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, 1250, 1600, 2000, 2500, 3200, 4000, 5000, 8000, 10000, 16000, 20000, 40000, 80000, 17386949, 34773898, 69547796, 86934745, 139095592, 173869490, 278191184, 347738980, 434673725, 556382368, 695477960, 869347450, 1112764736, 1390955920, 1738694900, 2173368625, 2225529472, 2781911840, 3477389800, 4346737250, 5563823680, 6954779600, 8693474500, 10866843125, 11127647360, 13909559200, 17386949000, 21733686250, 27819118400, 34773898000, 43467372500, 55638236800, 69547796000, 86934745000, 139095592000, 173869490000, 278191184000, 347738980000, 695477960000, 1390955920000]

約数ペア:

[(1, 1390955920000), (2, 695477960000), (4, 347738980000), (5, 278191184000), (8, 173869490000), (10, 139095592000), (16, 86934745000), (20, 69547796000), (25, 55638236800), (32, 43467372500), (40, 34773898000), (50, 27819118400), (64, 21733686250), (80, 17386949000), (100, 13909559200), (125, 11127647360), (128, 10866843125), (160, 8693474500), (200, 6954779600), (250, 5563823680), (320, 4346737250), (400, 3477389800), (500, 2781911840), (625, 2225529472), (640, 2173368625), (800, 1738694900), (1000, 1390955920), (1250, 1112764736), (1600, 869347450), (2000, 695477960), (2500, 556382368), (3200, 434673725), (4000, 347738980), (5000, 278191184), (8000, 173869490), (10000, 139095592), (16000, 86934745), (20000, 69547796), (40000, 34773898), (80000, 17386949)]