80221040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{593}}^1$

素因数の和:714

約数の個数: 80

約数和(自身を含む): 198871200

約数和(自身を除く): 118650160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 380, 445, 593, 712, 760, 890, 1186, 1424, 1520, 1691, 1780, 2372, 2965, 3382, 3560, 4744, 5930, 6764, 7120, 8455, 9488, 11267, 11860, 13528, 16910, 22534, 23720, 27056, 33820, 45068, 47440, 52777, 56335, 67640, 90136, 105554, 112670, 135280, 180272, 211108, 225340, 263885, 422216, 450680, 527770, 844432, 901360, 1002763, 1055540, 2005526, 2111080, 4011052, 4222160, 5013815, 8022104, 10027630, 16044208, 20055260, 40110520, 80221040]

約数ペア:

[(1, 80221040), (2, 40110520), (4, 20055260), (5, 16044208), (8, 10027630), (10, 8022104), (16, 5013815), (19, 4222160), (20, 4011052), (38, 2111080), (40, 2005526), (76, 1055540), (80, 1002763), (89, 901360), (95, 844432), (152, 527770), (178, 450680), (190, 422216), (304, 263885), (356, 225340), (380, 211108), (445, 180272), (593, 135280), (712, 112670), (760, 105554), (890, 90136), (1186, 67640), (1424, 56335), (1520, 52777), (1691, 47440), (1780, 45068), (2372, 33820), (2965, 27056), (3382, 23720), (3560, 22534), (4744, 16910), (5930, 13528), (6764, 11860), (7120, 11267), (8455, 9488)]